{"id":3389,"date":"2024-04-12T07:13:55","date_gmt":"2024-04-12T07:13:55","guid":{"rendered":"https:\/\/pharm.sinocurechem.com\/?p=3272"},"modified":"2024-04-12T07:13:55","modified_gmt":"2024-04-12T07:13:55","slug":"unveiling-methyl-carbamate-from-textile-resins-to-pest-control-a-comprehensive-dive-into-its-synthesis-applications-and-safety-measures","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/afsloring-af-methylcarbamat-fra-tekstilharpiks-til-skadedyrsbekaempelse-et-omfattende-dyk-ned-i-dets-synteseanvendelser-og-sikkerhedsforanstaltninger\/","title":{"rendered":"Afsl\u00f8ring af methylcarbamat: Fra tekstilharpiks til skadedyrsbek\u00e6mpelse, et omfattende dyk ned i dets syntese, anvendelser og sikkerhedsforanstaltninger!"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: center; line-height: 125%;\" align=\"center\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat<\/span><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">\u00a0<\/span><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">598-55-0<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat (ogs\u00e5 kendt som methylcarbamat eller polyuretan) er en organisk forbindelse, der er den enkleste ester af carbaminsyre (H2NCO2H). Det er et farvel\u00f8st fast stof.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat fremstilles ved at lade methanol og urea reagere:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">CO(NH2)2 + CH3OH \u2192 CH3OC(O)NH2 + NH3<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Det fremstilles ogs\u00e5 ved reaktion af ammoniak med methylchlorformiat eller dimethylcarbonat.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat (CH3OCONH2) er en simpel organisk forbindelse, der best\u00e5r af en methylgruppe (CH3) bundet til en carbamatfunktionel gruppe (OCONH2).<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Carbamatgruppen er en carbonylgruppe (C=O) med en tilknyttet aminogruppe (NH2).<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er et pol\u00e6rt molekyle p\u00e5 grund af de elektronegative oxygen- og nitrogenatomer, som giver det et dipolmoment.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Det har en tetraedrisk molekyl\u00e6r geometri omkring carbonylcarbonatomet.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">\u00a0<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.1000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><b><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5pt;\">Fysiske og kemiske egenskaber:<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Kemisk formel: CH3OCONH2<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">CAS-nummer: 598-55-0<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Molekylv\u00e6gt: 75,08 g\/mol<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Udseende: Hvidt krystallinsk fast stof<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Smeltepunkt: 110-112\u00b0C<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Kogepunkt: 200\u00b0C<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Smeltepunkt:56-58 \u00b0C (oplyst)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Kogepunkt:176-177 \u00b0C (oplyst)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Massefylde: 1,14 g\/cm3<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Brydningsindeks: 1,4125<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Flammepunkt: 93 \u00b0C<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Opbevaringsforhold: Inert atmosf\u00e6re, stuetemperatur<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Opl\u00f8selighed:700 g\/L (20\u00b0C)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Surhedskoefficient (pKa): 13,37 \u00b1 0,50 (forudsagt)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Form:Kl\u00e6bende krystaller<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Farve:Hvid<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">PH-v\u00e6rdi: 6-8 (50 g\/l, H2O, 20\u2103)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Vandopl\u00f8selighed:700 g\/L (20 \u00baC)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">F\u00f8lsomhed: Fugtf\u00f8lsom<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er en simpel organisk forbindelse, som er methylesteren af carbaminsyre.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Det er et hvidt, krystallinsk fast stof med en svag esterlignende lugt.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er opl\u00f8seligt i vand, alkohol og andre pol\u00e6re organiske opl\u00f8sningsmidler.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Det er moderat flygtigt og kan destilleres under reduceret tryk.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er relativt kemisk stabilt, men kan hydrolyseres og danne methanol og kuldioxid.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">\u00a0<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.1000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><b><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5pt;\">Anvendelser og applikationer:<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Carbamat-pesticider bruges i vid udstr\u00e6kning som insekt-, herbicid- og fungicidmidler, og de bruges ogs\u00e5 til at dr\u00e6be myg og kakerlakker. Almindeligt anvendte er: Furadan, Carbaryl, Methomyl, Methomyl, Cordyceps og s\u00e5 videre.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat bruges hovedsageligt som et reaktionsmellemprodukt i tekstil- og polymerindustrien. I tekstilindustrien bruges det til fremstilling af dihydroxymethylcarbaminsyre-methylester-baserede harpikser, som anvendes p\u00e5 polyester\/bomuldsblandingsstoffer som et stressresistent efterbehandlingsmiddel. De behandlede stoffer har god kr\u00f8lvinkelretention, er syrevridningsresistente i kommercielle vaskerier, er klorfri og flammeh\u00e6mmende. <\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat bruges ogs\u00e5 til fremstilling af l\u00e6gemidler, pesticider og polyurethaner.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamater bruges i vid udstr\u00e6kning som insektmidler. De har antikolinesterase-aktivitet, men giver ikke kumulative effekter.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er et kemisk mellemprodukt i syntesen af forskellige l\u00e6gemidler, insekticider og andre organiske forbindelser. Det er en forl\u00f8ber for produktionen af methylisocyanat, som bruges i produktionen af carbamatinsekticider.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat bruges som bl\u00f8dg\u00f8rer, br\u00e6ndstofadditiv og som komponent i visse malinger og fugemasser.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Tidligere blev det ogs\u00e5 brugt som rodenticid og insekticid, men brugen til disse form\u00e5l er aftaget p\u00e5 grund af bekymring for dets giftighed.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l0 level1 lfo1;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">1.\u00a0<\/span><!--[endif]--><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Farmaceutiske og agrokemiske mellemprodukter:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er et vigtigt kemisk mellemprodukt, der bruges i syntesen af forskellige farmaceutiske og agrokemiske produkter.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Det er et forstadie til produktionen af methylisocyanat, som er en vigtig byggesten i mange carbamatbaserede pesticider og herbicider.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat kan ogs\u00e5 bruges som udgangsmateriale til syntese af visse antiinflammatoriske, smertestillende og kr\u00e6ftbek\u00e6mpende l\u00e6gemidler.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l0 level1 lfo1;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">2.\u00a0<\/span><!--[endif]--><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Bl\u00f8dg\u00f8ringsmidler og bel\u00e6gninger:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er blevet brugt som bl\u00f8dg\u00f8rer i forskellige polymer- og harpiksformuleringer, f.eks. dem, der bruges i maling, bel\u00e6gninger og kl\u00e6bemidler.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Det kan forbedre disse materialers fleksibilitet, slagfasthed og vedh\u00e6ftningsegenskaber.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">I nogle specialiserede bel\u00e6gninger og fugemasser kan methylcarbamat bruges som tv\u00e6rbindingsmiddel eller h\u00e6rdningsadditiv.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l0 level1 lfo1;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">3.\u00a0<\/span><!--[endif]--><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Tils\u00e6tningsstoffer til br\u00e6ndstof:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Historisk set er methylcarbamat blevet brugt som br\u00e6ndstofadditiv, is\u00e6r i benzin, for at forbedre forbr\u00e6ndingseffektiviteten og reducere aflejringer i motoren.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Brugen af methylcarbamat som br\u00e6ndstofadditiv er dog faldet i de senere \u00e5r p\u00e5 grund af bekymringer om dets potentielle giftighed og milj\u00f8p\u00e5virkning.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l0 level1 lfo1;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">4.\u00a0<\/span><!--[endif]--><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Rodenticider og insektmidler:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Tidligere blev methylcarbamat brugt som aktiv ingrediens i nogle rodenticid- og insekticidprodukter.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Disse anvendelser er faldet betydeligt p\u00e5 grund af udviklingen af nyere, mere effektive og mindre giftige alternativer samt lovgivningsm\u00e6ssige begr\u00e6nsninger i brugen af methylcarbamat-baserede pesticider.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l0 level1 lfo1;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">5.\u00a0<\/span><!--[endif]--><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Industrielle opl\u00f8sningsmidler og reng\u00f8ringsmidler:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">P\u00e5 grund af dets opl\u00f8sningsmiddelegenskaber og relativt lave toksicitet er methylcarbamat blevet brugt i nogle industrielle reng\u00f8ringsprodukter og affedtningsmidler.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Anvendelsen er dog begr\u00e6nset, da der er kommet mere effektive og milj\u00f8venlige opl\u00f8sningsmidler og reng\u00f8ringsmidler p\u00e5 markedet.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Overordnet set anvendes methylcarbamat i dag prim\u00e6rt som kemisk mellemprodukt i produktionen af l\u00e6gemidler, landbrugskemikalier og andre specialkemikalier, snarere end som et selvst\u00e6ndigt produkt eller tils\u00e6tningsstof. De historiske anvendelser i br\u00e6ndstof, pesticider og industrielle opl\u00f8sningsmidler er stort set udfaset.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">\u00a0<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.1000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><b><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5pt;\">Syntese og produktion:<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat syntetiseres typisk ved reaktion af methanol (CH3OH) med phosgen (COCl2) for at danne methylchlorformiat, efterfulgt af reaktion med ammoniak (NH3) for at danne det endelige produkt.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Alternativt kan det fremstilles ved at lade methylisocyanat (CH3NCO) reagere med vand.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Industriel produktion af methylcarbamat involverer ofte kontinuerlige processer med specialudstyr og strenge sikkerhedsforanstaltninger p\u00e5 grund af udgangsmaterialernes farlige karakter.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Syntese af methylcarbamat:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Den mest almindelige syntetiske rute for methylcarbamat involverer en totrinsproces:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Reaktion mellem methanol og phosgen:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methanol (CH3OH) reagerer med fosgen (COCl2) og danner methylchlorformiat (CH3OCOCl).<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Denne reaktion udf\u00f8res typisk i n\u00e6rv\u00e6r af en base, f.eks. pyridin, for at neutralisere biproduktet saltsyre.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylchlorformiat er et vigtigt mellemprodukt i produktionen af forskellige carbamatforbindelser.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Ammonolyse af methylchloroformiat:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Mellemproduktet methylchlorformiat oms\u00e6ttes derefter med ammoniak (NH3) for at danne methylcarbamat (CH3OCONH2).<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Denne reaktion involverer nukleofil addition af ammoniak til carbonylkulstoffet i methylchloroformatet, efterfulgt af eliminering af hydrogenchlorid.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Reaktionen udf\u00f8res typisk i et organisk opl\u00f8sningsmiddel, f.eks. toluen eller dichlormethan, for at lette adskillelsen af methylcarbamatproduktet.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Produktion af methylcarbamat:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Produktion af methylcarbamat i industriel skala involverer ofte kontinuerlige processer med specialudstyr:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Generering af fosgen:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Fosgen genereres typisk p\u00e5 stedet ved en reaktion mellem kulilte (CO) og klor (Cl2) i n\u00e6rv\u00e6r af en katalysator, f.eks. aktivt kul.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Fremstilling af fosgen kr\u00e6ver strenge sikkerhedsforanstaltninger p\u00e5 grund af gassens meget giftige karakter.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylkloroformatsyntese:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Fosgenet oms\u00e6ttes derefter med metanol i en reaktor med kontinuerligt flow, ofte ved hj\u00e6lp af en basisk katalysator for at forbedre reaktionskinetikken.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylchlorformiat-produktet renses typisk ved destillation eller andre separationsteknikker.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Ammonolysetrin:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylkloroformatet oms\u00e6ttes derefter med ammoniakgas eller vandig ammoniakopl\u00f8sning i en kontinuerligt drevet reaktor.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamatproduktet adskilles, typisk ved krystallisering eller inddampning, og renses yderligere efter behov.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Emballage og opbevaring:<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Det rensede methylcarbamat pakkes derefter, ofte i tromler eller andre egnede beholdere, til distribution og opbevaring.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Korrekte h\u00e5ndterings- og opbevaringsprocedurer er afg\u00f8rende for at sikre det endelige produkts sikkerhed og stabilitet.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">\u00a0<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.1000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><b><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5pt;\">Reaktivitet og nedbrydning:<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er modtageligt for hydrolyse, b\u00e5de under sure og basiske forhold, hvilket kan nedbryde den funktionelle carbamatgruppe.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Termisk nedbrydning kan ogs\u00e5 forekomme ved h\u00f8je temperaturer og danne metanol, kuldioxid og andre biprodukter.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Under visse betingelser kan methylcarbamat reagere med nukleofiler, s\u00e5som alkoholer eller aminer, og danne substituerede carbamater eller urea.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Der er rapporteret om mikrobiel nedbrydning af methylcarbamat, og nogle bakterier og svampe er i stand til at bruge det som kulstof- og kv\u00e6lstofkilde.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">\u00a0<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.1000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><b><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5pt;\">Lovgivningsm\u00e6ssige og milj\u00f8m\u00e6ssige overvejelser:<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er opf\u00f8rt som et farligt stof i henhold til forskellige milj\u00f8bestemmelser p\u00e5 grund af dets giftighed.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Der er fastsat eksponeringsgr\u00e6nser og retningslinjer for h\u00e5ndtering i arbejdsmilj\u00f8er for at minimere risikoen for arbejdstagerne.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Unders\u00f8gelser af sk\u00e6bne og transport i milj\u00f8et har vist, at methylcarbamat kan v\u00e6re persistent i visse jord- og vandmilj\u00f8er med potentiale til at blive bioakkumuleret i nogle organismer.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Korrekt bortskaffelse og indd\u00e6mning er afg\u00f8rende for at forhindre milj\u00f8forurening og eksponering af mennesker.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">\u00a0<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.1000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><b><span style=\"font-family: \u5b8b\u4f53; font-size: 10.5pt;\">Toksikologi og sikkerhed:<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Methylcarbamat er moderat giftigt ved indtagelse eller ind\u00e5nding.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Symptomer som kvalme, opkast, diarr\u00e9 og \u00e5ndedr\u00e6tsbesv\u00e6r kan opst\u00e5 efter eksponering.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Langvarig eller gentagen eksponering kan ogs\u00e5 for\u00e5rsage lever- og nyreskader.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Der skal anvendes passende personlige v\u00e6rnemidler, s\u00e5som handsker og \u00e5ndedr\u00e6tsv\u00e6rn, ved h\u00e5ndtering af methylcarbamat.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">N\u00e5r der arbejdes med denne forbindelse, skal der tr\u00e6ffes passende ventilations- og beskyttelsesforanstaltninger for at minimere risikoen for eksponering.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">I mods\u00e6tning til sin n\u00e6re sl\u00e6gtning, ethylcarbamat, er det ikke mutagent for salmonella (negativt i Ames-testen), men det er mutagent for bananfluer. Eksperimentelle beviser tyder p\u00e5, at det er kr\u00e6ftfremkaldende hos rotter og ikke kr\u00e6ftfremkaldende hos mus. If\u00f8lge Proposition 65 er forbindelsen \"kendt af staten Californien for at v\u00e6re kr\u00e6ftfremkaldende\".<\/span><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">\u00c5rsagerne til carbamat-pesticidforgiftning ligner andre pesticidforgiftninger. Produktiv forgiftning ses ofte, n\u00e5r pesticider anvendes uden passende beskyttelsesforanstaltninger eller i varme og fugtige milj\u00f8er, hovedsageligt gennem huden og ind\u00e5ndingsforgiftning i luftvejene. Livsforgiftning ses ofte ved selvmord eller utilsigtet forgiftning, ved oral forgiftning.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Carbamat pesticidforgiftning er akut, oral forgiftning inden for 10 til 20 minutter efter forgiftningens begyndelse, produktion af arbejde i kontakt med forgiftningen af st\u00f8rstedelen af 2 til 6 timers begyndelse. I lighed med organofosfor pesticidforgiftning er is\u00e6r muskariniske symptomer mere tydelige. Mild forgiftning har milde muskariniske symptomer og symptomer p\u00e5 centralnervesystemet, s\u00e5som svimmelhed, hovedpine, tr\u00e6thed, kvalme, opkastning, sl\u00f8ret syn, spyt, overdreven svedtendens, indsn\u00e6vring af pupiller og s\u00e5 videre. Ud over de ovenn\u00e6vnte symptomer viser moderat forgiftning muskeltremor og forh\u00f8jet blodtryk. Alvorlig forgiftning kan give lunge\u00f8dem, koma, hjerne\u00f8dem, kolinesteraseaktivitet i fuldblod p\u00e5 30% eller mindre, og i alvorlige tilf\u00e6lde er der lammelse af \u00e5ndedr\u00e6tsmusklerne, \u00e5ndedr\u00e6tssvigt og endda d\u00f8d.  Derudover kan hudforurening for\u00e5rsage br\u00e6ndende smerter, r\u00f8dmen, udsl\u00e6t; konjunktival forurening kan for\u00e5rsage br\u00e6ndende fornemmelse, t\u00e5refl\u00e5d, indsn\u00e6vring af pupiller og s\u00e5 videre.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 21.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: \u5b8b\u4f53; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">Mistanke om forgiftning med carbamat-insekticider skal behandles omg\u00e5ende, og en endelig diagnose kan stilles ved hj\u00e6lp af en klar eksponeringshistorie, symptomer, tegn og symptomer kombineret med resultaterne af kolinesterase og toksikologiske tests. Denne type forgiftning f\u00f8rer til et fald i kolinesteraseaktiviteten i blodet, men den b\u00f8r testes s\u00e5 hurtigt som muligt efter forgiftningen, og kolinesteraseaktiviteten vil gradvist komme sig, efterh\u00e5nden som forgiftningen varer l\u00e6ngere. Giften fjernes ved maveskylning osv., og der anvendes atropin, som er en potent modgift. I mods\u00e6tning til organofosfor-pesticidforgiftning er oxim-kolinesterase-reenactors forbudt ved carbamat-insekticidforgiftning.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Methyl Carbamate\u00a0598-55-0 Methyl carbamate (also known as methyl carbamate or polyurethane) is an organic compound that is the simplest ester of carbamic acid (H2NCO2H). It is a colorless solid. Methyl carbamate is made by reacting methanol and urea: CO(NH2)2 + CH3OH \u2192 CH3OC(O)NH2 + NH3 It is also produced by the reaction of ammonia with [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Unveiling Methyl Carbamate: From Textile Resins to Pest Control, A Comprehensive Dive into its Synthesis, Applications, and Safety Measures! - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/da\/afsloring-af-methylcarbamat-fra-tekstilharpiks-til-skadedyrsbekaempelse-et-omfattende-dyk-ned-i-dets-synteseanvendelser-og-sikkerhedsforanstaltninger\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Unveiling Methyl Carbamate: From Textile Resins to Pest Control, A Comprehensive Dive into its Synthesis, Applications, and Safety Measures! - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Methyl Carbamate\u00a0598-55-0 Methyl carbamate (also known as methyl carbamate or polyurethane) is an organic compound that is the simplest ester of carbamic acid (H2NCO2H). It is a colorless solid. 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