{"id":3430,"date":"2024-06-21T07:58:54","date_gmt":"2024-06-21T07:58:54","guid":{"rendered":"https:\/\/pharm.sinocurechem.com\/?p=3430"},"modified":"2024-06-21T07:58:54","modified_gmt":"2024-06-21T07:58:54","slug":"discover-the-benefits-of-maleic-hydrazide","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/discover-the-benefits-of-maleic-hydrazide\/","title":{"rendered":"Fedezze fel a Maleic Hydrazide el\u0151nyeit!"},"content":{"rendered":"

Fedezze fel a Maleic Hydrazide el\u0151nyeit!<\/span><\/b><\/b><\/p>\n

malein-hidrazid<\/span><\/b>\u00a0<\/span><\/b>123-33-1<\/span><\/b><\/b><\/p>\n

A 123-33-1 CAS-sz\u00e1m\u00fa malein-hidrazid C4H4N2O2 molekulaformul\u00e1j\u00fa vegy\u00fclet, amelynek molekulat\u00f6mege 112,09 g\/mol. N\u00f6v\u00e9nyi n\u00f6veked\u00e9sszab\u00e1lyoz\u00f3k\u00e9nt \u00e9s gyomirt\u00f3k\u00e9nt haszn\u00e1lj\u00e1k, g\u00e1tolja a nukleinsav- \u00e9s feh\u00e9rjeszint\u00e9zist. \u00c1ltal\u00e1ban olyan n\u00f6v\u00e9nyek lombozat\u00e1ra alkalmazz\u00e1k, mint a burgonya, a hagyma, a fokhagyma \u00e9s a s\u00e1rgar\u00e9pa, hogy megakad\u00e1lyozz\u00e1k a cs\u00edr\u00e1z\u00e1st a t\u00e1rol\u00e1s sor\u00e1n.<\/span><\/p>\n

A biztons\u00e1goss\u00e1g szempontj\u00e1b\u00f3l a malein-hidrazid alacsony akut toxicit\u00e1st mutat or\u00e1lis, derm\u00e1lis \u00e9s inhal\u00e1ci\u00f3s expoz\u00edci\u00f3s \u00faton. Ugyanakkor b\u0151r- \u00e9s szemirrit\u00e1ci\u00f3t okozhat, \u00e9s a kezel\u00e9s\u00e9hez \u00f3vint\u00e9zked\u00e9sek javasoltak, p\u00e9ld\u00e1ul v\u00e9d\u0151keszty\u0171 visel\u00e9se \u00e9s a megfelel\u0151 szell\u0151z\u00e9s biztos\u00edt\u00e1sa.<\/span><\/p>\n

Ami a k\u00f6rnyezeti hat\u00e1sokat illeti, az Egyes\u00fclt \u00c1llamok K\u00f6rnyezetv\u00e9delmi Hivatala (EPA) a malein-hidrazidot felvette az IRIS adatb\u00e1zisba, ami azt jelzi, hogy a toxicit\u00e1si adatok \u00e1tfog\u00f3 fel\u00fclvizsg\u00e1lat\u00e1n ment kereszt\u00fcl. Az or\u00e1lis referencia d\u00f3zis (RfD) azt sugallja, hogy bizonyos toxikus hat\u00e1sokra vonatkoz\u00f3an k\u00fcsz\u00f6b\u00e9rt\u00e9keket felt\u00e9teleznek, \u00e9s az anyagot nem \u00e9rt\u00e9kelt\u00e9k r\u00e1kkelt\u0151 hat\u00e1s szempontj\u00e1b\u00f3l. Mindazon\u00e1ltal vit\u00e1k folytak a lehets\u00e9ges mutagenit\u00e1s\u00e1r\u00f3l \u00e9s r\u00e1kkelt\u0151 hat\u00e1s\u00e1r\u00f3l sejtkult\u00far\u00e1kban \u00e9s \u00e1llatokon, b\u00e1r a gy\u00e1rt\u00e1s, a mez\u0151gazdas\u00e1g \u00e9s az \u00e9lelmiszerl\u00e1nc sor\u00e1n a lakoss\u00e1gi expoz\u00edci\u00f3 ellen\u00e9re nem tal\u00e1ltak bizony\u00edt\u00e9kot emberi r\u00e1kkelt\u0151 hat\u00e1sra.<\/span><\/p>\n

Orvosi kutat\u00e1si alkalmaz\u00e1sokhoz malein-hidrazidot lehet v\u00e1s\u00e1rolni 99,0% (T) feletti tisztas\u00e1ggal, HPLC-vel meghat\u00e1rozva, \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 mennyis\u00e9gben \u00e1rulj\u00e1k laborat\u00f3riumi felhaszn\u00e1l\u00e1sra. Fontos megjegyezni, hogy a t\u00e1rol\u00e1si k\u00f6r\u00fclm\u00e9nyekre \u00e9s a biztons\u00e1gi adatlapokra vonatkoz\u00f3 legfrissebb inform\u00e1ci\u00f3kkal kell konzult\u00e1lni, amikor ezt a vegyi anyagot kezeli.<\/span><\/p>\n

A malein-hidrazid egy v\u00edzben nem old\u00f3d\u00f3 piridazinon vegy\u00fclet, amely sokf\u00e9lek\u00e9ppen alkalmazhat\u00f3. Gyomirt\u00f3k\u00e9nt \u00e9s n\u00f6v\u00e9nyn\u00f6veked\u00e9s-szab\u00e1lyoz\u00f3k\u00e9nt is szolg\u00e1l, \u00edgy \u00e9rt\u00e9kes a mez\u0151gazdas\u00e1gi gyakorlatban.<\/span><\/p>\n

Ezenk\u00edv\u00fcl a malein-hidrazidot a doh\u00e1nyn\u00f6v\u00e9nyek nemk\u00edv\u00e1natos hajt\u00e1s\u00e1nak vagy sz\u00edvogat\u00e1s\u00e1nak szab\u00e1lyoz\u00e1s\u00e1ra haszn\u00e1lj\u00e1k.<\/span><\/p>\n

malein-hidrazid Tulajdons\u00e1gok<\/span><\/b><\/b><\/p>\n

Olvad\u00e1spont 299-301 \u00b0C (dec.)(lit.)<\/span><\/p>\n

forr\u00e1spont 209,98\u00b0C (durva becsl\u00e9s)<\/span><\/p>\n

S\u0171r\u0171s\u00e9g 1,6 g\/cm3<\/span><\/p>\n

T\u00f6r\u00e9smutat\u00f3 1,4610 (becsl\u00e9s)<\/span><\/p>\n

Lobban\u00e1spont 300\u00b0C<\/span><\/p>\n

T\u00e1rol\u00e1si k\u00f6r\u00fclm\u00e9nyek Inert atmoszf\u00e9ra, szobah\u0151m\u00e9rs\u00e9klet<\/span><\/p>\n

Oldhat\u00f3s\u00e1g 510 mg\/l 4 v\u00edzben<\/span><\/p>\n

Savass\u00e1gi egy\u00fctthat\u00f3 (pKa) 9,01\u00b10,20 (el\u0151rejelzett)<\/span><\/p>\n

Sz\u00edn Feh\u00e9r krist\u00e1lyok<\/span><\/p>\n

Szag (Szag) Szagtalan<\/span><\/p>\n

V\u00edzold\u00e9konys\u00e1g 6 g\/L<\/span><\/p>\n

Merck 14,5705<\/span><\/p>\n

BRN 11222<\/span>3<\/span><\/p>\n

K\u00e9miai tulajdons\u00e1gok <\/span><\/b><\/b><\/p>\n

A tiszta term\u00e9k feh\u00e9r krist\u00e1lyos szil\u00e1rd anyag. m.p.296\uff5e<\/span>298 \u2103, relat\u00edv s\u0171r\u0171s\u00e9g 1,60 (25 \u2103), lobban\u00e1spont 300 \u2103, nem ill\u00e9kony. 25 \u2103-on oldhat\u00f3s\u00e1ga: dimetil-formamid 2,4%, aceton <1%, xilol <1%, etanol 97%, m.p.>292 \u2103, relat\u00edv s\u0171r\u0171s\u00e9g 1,60. Trietanolamin s\u00f3j\u00e1nak v\u00edzben val\u00f3 oldhat\u00f3s\u00e1ga 70%, k\u00e1liums\u00f3ja 10%, n\u00e1triums\u00f3ja 20%.<\/span><\/span><\/p>\n

Felhaszn\u00e1l\u00e1sok <\/span><\/b><\/b><\/p>\n

T\u00e1rol\u00e1s \u00e9s sz\u00e1ll\u00edt\u00e1s: A mez\u0151gazdas\u00e1gi iparban a t\u00e1rolt burgonya cs\u00edr\u00e1z\u00e1sg\u00e1tl\u00f3jak\u00e9nt is haszn\u00e1lj\u00e1k a korai cs\u00edr\u00e1z\u00e1s megel\u0151z\u00e9s\u00e9re.<\/span><\/p>\n

Hat\u00e1sm\u00f3d: A nukleinsavak \u00e9s feh\u00e9rj\u00e9k szint\u00e9zis\u00e9nek g\u00e1tl\u00e1s\u00e1val megzavarja a n\u00f6v\u00e9nyek n\u00f6veked\u00e9si folyamat\u00e1t, ami v\u00e9gs\u0151 soron a sejtoszt\u00f3d\u00e1s \u00e9s a n\u00f6veked\u00e9s elfojt\u00e1s\u00e1hoz vezet.<\/span><\/p>\n

A malein-hidrazid egy szelekt\u00edv gyomirt\u00f3 szer \u00e9s ideiglenes n\u00f6v\u00e9nyn\u00f6veked\u00e9s-g\u00e1tl\u00f3.A malein-hidrazid gyomirt\u00f3 tulajdons\u00e1gokkal rendelkezik, \u00e9s gyepben \u00e9s m\u00e1s mez\u0151gazdas\u00e1gi k\u00f6rnyezetben a gyomok ellen haszn\u00e1lhat\u00f3.<\/span><\/p>\n

N\u00f6v\u00e9nyi n\u00f6veked\u00e9sszab\u00e1lyoz\u00f3. A lombozaton vagy a gy\u00f6kereken kereszt\u00fcl bel\u00e9legezve, a xil\u00e9m \u00e9s a flo\u00e9m \u00e1ltal elvezetve g\u00e1tolja a sejtoszt\u00f3d\u00e1st \u00e9s g\u00e1tolja a n\u00f6v\u00e9ny n\u00f6veked\u00e9s\u00e9t. A 0,1% ~ 0,05% oldat megakad\u00e1lyozhatja a f\u0171- \u00e9s gyep-, gy\u00fcm\u00f6lcs\u00f6s- \u00e9s v\u00edzi gyomokat; 0,025% oldat a hagyma \u00e9s a burgonya cs\u00edr\u00e1z\u00e1s\u00e1nak g\u00e1tl\u00e1s\u00e1ra a t\u00e1rol\u00e1si id\u0151szakban; 0,1% ~ 0,05% oldat a doh\u00e1ny oldalhajt\u00e1sainak n\u00f6veked\u00e9s\u00e9nek g\u00e1tl\u00e1s\u00e1ra \u00e9s k\u00e9sleltet\u00e9s\u00e9re, valamint a citrus pal\u00e1nt\u00e1k fagyk\u00e1rt\u00f3l val\u00f3 mentes\u00edt\u00e9s\u00e9re.<\/span><\/p>\n

A lev\u00e9lh\u00e1mon kereszt\u00fcl jut be a n\u00f6v\u00e9nybe, cs\u00f6kkenti a fotoszint\u00e9zist, az ozmotikus nyom\u00e1st \u00e9s az evapotranszspir\u00e1ci\u00f3t, \u00e9s er\u0151sen g\u00e1tolja a hajt\u00e1s n\u00f6veked\u00e9s\u00e9t. A burgonya, a hagyma, a fokhagyma \u00e9s a retek cs\u00edr\u00e1z\u00e1s\u00e1nak megakad\u00e1lyoz\u00e1s\u00e1ra haszn\u00e1lj\u00e1k a t\u00e1rol\u00e1s sor\u00e1n, tov\u00e1bb\u00e1 g\u00e1tolja a n\u00f6v\u00e9nyek n\u00f6veked\u00e9s\u00e9t \u00e9s meghosszabb\u00edtja a vir\u00e1gz\u00e1st, valamint gyomirt\u00e1sra is haszn\u00e1lhat\u00f3 a nem m\u0171velt f\u00f6ldeken. A term\u00e9k reciprok izomeriz\u00e1ci\u00f3ja a 3,6-dihidroxipiridazin (3,6-dihidroxipiridazin). Ez a szulfonamid hat\u00f3anyag szulfametoxazol k\u00f6ztiterm\u00e9ke.<\/span><\/p>\n

N\u00f6v\u00e9nyi n\u00f6veked\u00e9sszab\u00e1lyoz\u00f3. A lombozaton vagy a gy\u00f6kereken kereszt\u00fcl bel\u00e9legezve, a xil\u00e9m \u00e9s a flo\u00e9m \u00e1ltal elvezetve g\u00e1tolja a sejtoszt\u00f3d\u00e1st \u00e9s g\u00e1tolja a n\u00f6v\u00e9ny n\u00f6veked\u00e9s\u00e9t.0.1%\uff5e<\/span>0,05% oldat megakad\u00e1lyozhatja a gyepen, gy\u00fcm\u00f6lcs\u00f6sben \u00e9s v\u00edzparton a f\u0171 \u00e9s a gyomok megjelen\u00e9s\u00e9t; 0,025% oldat g\u00e1tolhatja a hagyma \u00e9s a burgonya cs\u00edr\u00e1z\u00e1s\u00e1t a t\u00e1rol\u00e1si id\u0151szakban; 0,1%<\/span>\uff5e<\/span>A 0,05% oldat g\u00e1tolhatja \u00e9s k\u00e9sleltetheti a doh\u00e1ny oldalhajt\u00e1sainak n\u00f6veked\u00e9s\u00e9t, \u00e9s meg\u00f3vhatja a citruscsemet\u00e9ket a fagyk\u00e1rokt\u00f3l.<\/span><\/span><\/p>\n

A szer a lev\u00e9lh\u00e1mon kereszt\u00fcl juthat be a n\u00f6v\u00e9nybe, cs\u00f6kkentheti a fotoszint\u00e9zist, az ozmotikus nyom\u00e1st \u00e9s az evapotranszspir\u00e1ci\u00f3t, \u00e9s er\u0151sen g\u00e1tolhatja a r\u00fcgyek n\u00f6veked\u00e9s\u00e9t. A burgonya, a hagyma, a fokhagyma \u00e9s a retek t\u00e1rol\u00e1sa sor\u00e1n a cs\u00edr\u00e1z\u00e1s megakad\u00e1lyoz\u00e1s\u00e1ra haszn\u00e1lj\u00e1k, tov\u00e1bb\u00e1 g\u00e1tolja a n\u00f6v\u00e9ny n\u00f6veked\u00e9s\u00e9t \u00e9s meghosszabb\u00edtja a vir\u00e1gz\u00e1st, valamint gyomirt\u00e1sra is haszn\u00e1lhat\u00f3 a nem m\u0171velt ter\u00fcleteken.<\/span><\/p>\n

Ideiglenes n\u00f6v\u00e9nyi n\u00f6veked\u00e9sg\u00e1tl\u00f3. Szelekt\u00edv gyomirt\u00f3 szer (elt\u00e1vol\u00edtja a matangrass-t). Megakad\u00e1lyozza a hagyma, burgonya \u00e9s s\u00e1rgar\u00e9pa cs\u00edr\u00e1z\u00e1s\u00e1t a t\u00e1rol\u00e1s sor\u00e1n. Kert\u00e9szeti \u00e9s mez\u0151gazdas\u00e1gi k\u00eds\u00e9rletek. A malein-hidrazid szelekt\u00edv gyomirt\u00f3szer \u00e9s ideiglenes n\u00f6v\u00e9nyn\u00f6veked\u00e9s-g\u00e1tl\u00f3. A szer a levelek kutikul\u00e1j\u00e1n kereszt\u00fcl jut be a n\u00f6v\u00e9nybe, cs\u00f6kkenti a fotoszint\u00e9zist, az ozmotikus nyom\u00e1st \u00e9s az evapotranszspir\u00e1ci\u00f3t, \u00e9s er\u0151sen g\u00e1tolja a hajt\u00e1sok n\u00f6veked\u00e9s\u00e9t. A burgonya, a hagyma, a fokhagyma \u00e9s a retek cs\u00edr\u00e1z\u00e1s\u00e1nak megakad\u00e1lyoz\u00e1s\u00e1ra haszn\u00e1lj\u00e1k a t\u00e1rol\u00e1s sor\u00e1n, tov\u00e1bb\u00e1 g\u00e1tolja a n\u00f6v\u00e9nyek n\u00f6veked\u00e9s\u00e9t \u00e9s meghosszabb\u00edtja a vir\u00e1gz\u00e1st, valamint gyomirt\u00e1sra is haszn\u00e1lhat\u00f3 a nem m\u0171velt f\u00f6ldeken. A term\u00e9k reciprok izomeriz\u00e1ci\u00f3ja a 3,6-dihidroxipiridazin (3,6-dihidroxipiridazin). Ez a szulfonamid hat\u00f3anyag szulfametoxazol k\u00f6ztiterm\u00e9ke.<\/span><\/p>\n

A malein-hidrazid a hidrazidok csoportj\u00e1ba tartoz\u00f3 k\u00e9miai vegy\u00fclet. A malein-hidrazidot gyomirt\u00f3szerk\u00e9nt \u00e9s n\u00f6v\u00e9nyn\u00f6veked\u00e9s-szab\u00e1lyoz\u00f3k\u00e9nt haszn\u00e1lj\u00e1k. A malein-hidrazid diff\u00fazi\u00f3val jut be a sejtekbe, \u00e9s reakci\u00f3ba l\u00e9p a sejtmag nukleofil csoportjaival, ez\u00e1ltal g\u00e1tolja a DNS-szint\u00e9zist \u00e9s mut\u00e1ci\u00f3kat okoz. Biol\u00f3giai vizsg\u00e1latok kimutatt\u00e1k, hogy a malein-hidrazid genotoxikus, ami azt jelenti, hogy elpuszt\u00edtja a sejtben l\u00e9v\u0151 genetikai inform\u00e1ci\u00f3t, ami mut\u00e1ci\u00f3khoz vezet. A malein-hidrazid modellrendszerekben is genotoxikus hat\u00e1st fejtett ki. G\u00e1tolja a n\u00f6v\u00e9nyekben az enzimaktivit\u00e1st is, p\u00e9ld\u00e1ul a nitr\u00e1tredukt\u00e1z, az ure\u00e1z vagy a katal\u00e1z aktivit\u00e1s\u00e1t.<\/span><\/p>\n

Gyomirt\u00f3, n\u00f6v\u00e9nyn\u00f6veked\u00e9s-szab\u00e1lyoz\u00f3, gomba\u00f6l\u0151 szer: Az EU orsz\u00e1gaiban betiltva. A malein-hidrazid egy n\u00f6v\u00e9nyn\u00f6veked\u00e9s-szab\u00e1lyoz\u00f3 (cs\u00edr\u00e1z\u00e1st g\u00e1tl\u00f3) \u00e9s gyomirt\u00f3 szer, amelyet doh\u00e1ny, burgonya, hagyma, nem term\u0151 citrusf\u00e9l\u00e9k, gyep, k\u00f6zm\u0171vek \u00e9s aut\u00f3p\u00e1ly\u00e1k \u00fathaszn\u00e1lati jogai, rep\u00fcl\u0151terek, ipari ter\u00fcletek, gyepek, rekre\u00e1ci\u00f3s ter\u00fcletek, d\u00edszf\u00e1k\/\u00e1rny\u00e9kol\u00f3 f\u00e1k \u00e9s d\u00edszn\u00f6v\u00e9nyek kezel\u00e9s\u00e9re t\u00f6rzsk\u00f6nyveztek.<\/span><\/p>\n

A malein-hidrazidot az Egyes\u00fclt \u00c1llamokban legink\u00e1bb doh\u00e1nyra haszn\u00e1lj\u00e1k.<\/span><\/p>\n

Gy\u00e1rt\u00e1si m\u00f3dszer <\/span><\/b><\/b><\/p>\n

A maleinsav-anhidrid \u00e9s hidrazin-hidr\u00e1t reakci\u00f3j\u00e1val nyerik. Tegy\u00fcnk vizet \u00e9s 40% hidrazin-hidr\u00e1tot a reakci\u00f3ed\u00e9nybe, adjunk hozz\u00e1 30% s\u00f3savat cseppenk\u00e9nt kever\u00e9s \u00e9s h\u0171t\u00e9s mellett, a h\u0151m\u00e9rs\u00e9kletet 20 \u2103 alatt szab\u00e1lyozzuk, pH 6,2-6-ra.4, tegye maleinsav-anhidrid, lassan emelje a h\u0151m\u00e9rs\u00e9kletet 106-110 \u2103, reflux 2h, cs\u00f6kkenti a h\u0151m\u00e9rs\u00e9kletet 5 \u2103, d\u00f6mping sz\u0171r\u00e9s, a sz\u0171r\u0151pog\u00e1csa mossuk jeges v\u00edzzel pH 4,8-5,1, sz\u00e1r\u00edt\u00e1s, hogy maleinsav-dihydrazid, a hozam 97%.<\/span><\/p>\n

Butil\u00e9n-dihidrazid (vagy butadi\u00e9n-dihidrazid) \u00e9s hidrazin-szulf\u00e1t 35-56 \u2103-on t\u00f6rt\u00e9n\u0151 reakci\u00f3j\u00e1val \u00e1ll\u00edtj\u00e1k el\u0151.<\/span><\/p>\n

Butil\u00e9n-dianhidrid (vagy butadi\u00e9n-di\u00e9nsav) \u00e9s hidrazin-szulf\u00e1t 35-56 \u00b0C-on t\u00f6rt\u00e9n\u0151 reakci\u00f3j\u00e1val \u00e1ll\u00edtj\u00e1k el\u0151.<\/span><\/p>\n

Maleinsav-anhidrid \u00e9s hidrazin-hidr\u00e1t reakci\u00f3j\u00e1val \u00e1ll\u00edtj\u00e1k el\u0151. Tegy\u00fcnk vizet \u00e9s 40% hidrazin-hidr\u00e1tot a reakci\u00f3ed\u00e9nybe, adjunk hozz\u00e1 30% s\u00f3savat cseppenk\u00e9nt kever\u00e9s \u00e9s h\u0171t\u00e9s mellett, a h\u0151m\u00e9rs\u00e9kletet 20 \u2103 alatt szab\u00e1lyozzuk, pH 6,2-6-ra.4, tegye a maleinsav-anhidrid, lassan emelje a h\u0151m\u00e9rs\u00e9kletet 106-110 \u2103, reflux 2h, cs\u00f6kkenti a h\u0151m\u00e9rs\u00e9kletet 5 \u2103, d\u00f6mping sz\u0171r\u00e9s, a torta mossuk jeges v\u00edzzel pH 4,8-5,1, sz\u00e1r\u00edt\u00e1s, \u00e9s kap malein-hidrazid, a hozam 97%.<\/span><\/p>\n

Kateg\u00f3ria<\/span><\/b><\/b><\/p>\n

Toxicit\u00e1s<\/span><\/p>\n

Akut or\u00e1lis LD501400mg\/kg patk\u00e1nyokban, 6950mg\/kg a n\u00e1triums\u00f3ja eset\u00e9ben, 2340mg\/kg a dietanol s\u00f3ja eset\u00e9ben. nincs irrit\u00e1ci\u00f3. Nem \u00e9szleltek m\u00e9rgez\u00e9si t\u00fcneteket, amikor patk\u00e1nyokat 2 \u00e9ven kereszt\u00fcl az eredeti hat\u00f3anyag 5%-t tartalmaz\u00f3 takarm\u00e1nyt etettek, \u00e9s nem \u00e9szleltek teratogenit\u00e1st, karcinogenit\u00e1st vagy mutagenit\u00e1st. Alacsony toxicit\u00e1s halakra, s\u00fcg\u00e9r LC5075mg\/L. M\u00e9hekre nem m\u00e9rgez\u0151.<\/span><\/p>\n

M\u00e9rgez\u00e9s<\/span><\/p>\n

Akut toxicit\u00e1s<\/span><\/p>\n

Sz\u00e1jon \u00e1t - patk\u00e1ny LD50: 3000 mg\/kg<\/span><\/p>\n

Gy\u00fal\u00e9konys\u00e1g Vesz\u00e9lyes jellemz\u0151k<\/span><\/p>\n

Az \u00e9g\u00e9s sor\u00e1n m\u00e9rgez\u0151 nitrog\u00e9n-oxid g\u00e1z keletkezik<\/span><\/p>\n

T\u00e1rol\u00e1si \u00e9s sz\u00e1ll\u00edt\u00e1si jellemz\u0151k<\/span><\/p>\n

Szell\u0151ztetett, hideg \u00e9s sz\u00e1raz helyen; az \u00e9lelmiszerekt\u0151l elk\u00fcl\u00f6n\u00edtve.<\/span><\/p>\n

Olt\u00f3anyagok<\/span><\/p>\n

Sz\u00e1raz por, hab, homok<\/span><\/p>\n

Els\u0151seg\u00e9lyny\u00fajt\u00e1si int\u00e9zked\u00e9sek n\u00f6v\u00e9nyv\u00e9d\u0151szer-m\u00e9rgez\u00e9s eset\u00e9n<\/span><\/p>\n

Els\u0151seg\u00e9lyny\u00fajt\u00e1s<\/span><\/p>\n

Nincs specifikus ellenszer. Ha v\u00e9letlen\u00fcl beveszik, el\u0151sz\u00f6r h\u00e1ny\u00e1st kell kiv\u00e1ltani, majd t\u00fcneti kezel\u00e9ssel kezelni.<\/span><\/p>\n

R\u00e1kkelt\u0151 hat\u00e1s<\/span><\/b><\/b><\/p>\n

A 320 napon kereszt\u00fcl 3 mg\/kg adaggal etetett egerek nem mutattak r\u00e1kkelt\u0151 hat\u00e1st, amikor 2 \u00e9ves korukban fel\u00e1ldozt\u00e1k \u0151ket. A 23 h\u00f3napon kereszt\u00fcl 0, 1000, 3200 \u00e9s 10 000 ppm-t tartalmaz\u00f3 t\u00e1ppal etetett egerek nem mutattak karcinog\u00e9n hat\u00e1st. A patk\u00e1nyokat 0, 25, 500 vagy 1000 mg\/kg d\u00f3zisban etett\u00e9k.<\/span><\/p>\n

A daganatok el\u0151fordul\u00e1sa alkalmank\u00e9nt megn\u00f6vekedett, de mivel a h\u00edm \u00e9s n\u0151st\u00e9ny patk\u00e1nyokn\u00e1l az el\u0151fordul\u00e1si gyakoris\u00e1g nem volt egys\u00e9ges, \u00e9s nem \u00e9rte el a statisztikai szignifikanci\u00e1t, ezt nem tekintett\u00e9k a malein-hidraziddal kapcsolatosnak.<\/span><\/p>\n

A malein-hidrazid heti h\u00e1romszori, 300 mg-ot meg nem halad\u00f3 kumulat\u00edv d\u00f3zisban t\u00f6rt\u00e9n\u0151 alkalmaz\u00e1sa a b\u0151r\u00f6n nem volt r\u00e1kkelt\u0151. Kuty\u00e1k \u00e9s patk\u00e1nyok 17-28 h\u00f3napos sz\u00e1jon \u00e1t t\u00f6rt\u00e9n\u0151 kezel\u00e9se nem mutatott ki t\u00falzott r\u00e1kosod\u00e1st egyetlen sz\u00f6vetben vagy szervben sem.<\/span><\/p>\n

A malein-hidrazid \u00fajsz\u00fcl\u00f6tt egerekbe t\u00f6rt\u00e9n\u0151 szubkut\u00e1n bead\u00e1sa a m\u00e1jdaganatok nagyon enyhe n\u00f6veked\u00e9s\u00e9t eredm\u00e9nyezte, b\u00e1r ezt az eredm\u00e9nyt \u00e1ltal\u00e1ban negat\u00edvnak tekintik.<\/span><\/p>\n

A malein-hidrazid szubkut\u00e1n injekci\u00f3inak egereken v\u00e9gzett vizsg\u00e1lata (55 mg 49 h\u00e9ten kereszt\u00fcl) nem mutatott ki r\u00e1kkelt\u0151 reakci\u00f3t.<\/span><\/p>\n

Biztons\u00e1gi inform\u00e1ci\u00f3k<\/span><\/b><\/b><\/p>\n

Lenyelve m\u00e9rs\u00e9kelten m\u00e9rgez\u0151. Megk\u00e9rd\u0151jelezhet\u0151en r\u00e1kkelt\u0151, k\u00eds\u00e9rleti tumorog\u00e9n adatokkal. Mut\u00e1ci\u00f3s adatokat jelentettek. Kr\u00f3nikus m\u00e1jk\u00e1rosod\u00e1st \u00e9s akut k\u00f6zponti idegrendszeri hat\u00e1sokat okozhat. Boml\u00e1sig hev\u00edtve er\u0151sen m\u00e9rgez\u0151 nitrog\u00e9n-oxid g\u0151z\u00f6ket bocs\u00e1t ki.<\/span><\/p>\n

Vesz\u00e9lyes anyag szimb\u00f3luma Xi,Xn<\/span><\/p>\n

Vesz\u00e9lyess\u00e9gi kateg\u00f3ria k\u00f3d 36\/37\/38-40-R40-R36\/37\/38-68<\/span><\/p>\n

Biztons\u00e1gi utas\u00edt\u00e1sok 26-36-45-36\/37\/39-S45-S36\/37\/39-S26<\/span><\/p>\n

Vesz\u00e9lyes \u00e1ruk sz\u00e1ll\u00edt\u00e1si sz\u00e1ma UN 3077 9\/PG 3<\/span><\/p>\n

WGK N\u00e9metorsz\u00e1g 2<\/span><\/p>\n

RTECS-sz\u00e1m: UR5950000<\/span><\/p>\n

\u00d6ngyullad\u00e1si h\u0151m\u00e9rs\u00e9klet 707 \u00b0F<\/span><\/p>\n

TSCA Igen<\/span><\/p>\n

V\u00e1mk\u00f3d 29339990<\/span><\/p>\n

Vesz\u00e9lyes anyagok adatai 123-33-1(Vesz\u00e9lyes anyagok adatai)<\/span><\/p>\n

Toxicit\u00e1s LD50 sz\u00e1jon \u00e1t patk\u00e1nyokon: 3800-6800 mg\/kg; nyulakn\u00e1l b\u0151r\u00f6n kereszt\u00fcl: >4000 mg\/kg (Ben-Dyke)<\/span><\/p>\n

Reaktivit\u00e1si profil<\/span><\/b><\/b><\/p>\n

A 3,6-dihidroxi-piridazin oxid\u00e1l\u00f3szerekkel bomlik. 3,6-dihidroxi-piridazin er\u0151s savakkal is bomlik. 3,6-dihidroxi-piridazin v\u00edzben old\u00f3d\u00f3 alk\u00e1lif\u00e9ms\u00f3kat \u00e9s amins\u00f3kat k\u00e9pez.<\/span><\/p>\n

A 3,6-dihidroxipiridazin enyh\u00e9n savas \u00e9s monosavakkal titr\u00e1lhat\u00f3. Enyhe oxid\u00e1ci\u00f3 sor\u00e1n olyan vegy\u00fcletek keletkeznek, amelyek azonnal reag\u00e1lnak a diolefinekkel, \u00e9s ak\u00e1r -107\u00b0 F h\u0151m\u00e9rs\u00e9kleten krist\u00e1lyos sz\u00e1rmaz\u00e9kokat k\u00e9peznek. A 3,6-dihidroxipiridazin enyh\u00e9n mar\u00f3 hat\u00e1s\u00fa a vasra \u00e9s a cinkre.<\/span><\/p>\n

A 3,6-dihidroxipiridazin nem kompatibilis az er\u0151s b\u00e1zisokkal reag\u00e1l\u00f3 rovar\u00f6l\u0151 szerekkel. Neh\u00e9zf\u00e9mek \u00e9s vas-, cink-, kalcium- \u00e9s magn\u00e9ziumionok jelenl\u00e9t\u00e9ben h\u00edg oldhat\u00f3 s\u00f3k k\u00e9pz\u0151dnek.<\/span><\/p>\n

K\u00f6rnyezeti sors<\/span><\/p>\n

Talaj. A talajban a felez\u00e9si id\u0151 2-8 h\u00e9t (Hartley \u00e9s Kidd, 1987).<\/span>\u00a0<\/span>Amikor a malein-hidrazidot 0,7 \u00e9s 2,7, 1,0 \u00e9s 3,75, illetve 0,85 \u00e9s 3,4 ppm koncentr\u00e1ci\u00f3ban alkalmazt\u00e1k tr\u00e1gy\u00e1ra, 86 \u00e9s 100, 87 \u00e9s 100, illetve 47 \u00e9s 67% boml\u00e1si hozamot \u00e9rtek el (Hoffman et al., 1962).<\/span><\/p>\n

N\u00f6v\u00e9nyek. A f\u0151bb n\u00f6v\u00e9nyi metabolitok k\u00f6z\u00e9 tartozik a fum\u00e1rsav, a borosty\u00e1nk\u0151sav \u00e9s a maleinsav (Hartley \u00e9s Kidd, 1987).<\/span><\/p>\n

Fotol\u00edzis. V\u00edzben a malein-hidrazid 300 nm-en mutat abszorpci\u00f3s maximumot, ami k\u00f6zvetlen fotol\u00edzisre utal (Gore et al., 1971).<\/span><\/p>\n

K\u00e9miai\/fizikai. B\u00e1zisokkal \u00e9s aminokkal v\u00edzoldhat\u00f3 s\u00f3kat k\u00e9pezve reag\u00e1l (Hartley \u00e9s Kidd, 1987). Oxid\u00e1l\u00f3 savak boml\u00e1s\u00e1val nitrog\u00e9nt szabad\u00edt fel (Worthing \u00e9s Hance, 1991). 260\u00b0C-on bomlik (Windholz \u00e9s mtsai., 1983), m\u00e9rgez\u0151 nitrog\u00e9n-oxid-g\u0151z\u00f6ket szabad\u00edtva fel (Sax \u00e9s Lewis, 1987).<\/span><\/p>\n

t\u00e1rol\u00e1s<\/span><\/b><\/b><\/p>\n

Sz\u00ednk\u00f3d - Z\u00d6LD: \u00c1ltal\u00e1nos t\u00e1rol\u00e1sra haszn\u00e1lhat\u00f3. Haszn\u00e1lat el\u0151tt r\u00e9szes\u00fclj\u00f6n oktat\u00e1sban a vegyszer megfelel\u0151 kezel\u00e9s\u00e9r\u0151l \u00e9s t\u00e1rol\u00e1s\u00e1r\u00f3l. H\u0171t\u0151szekr\u00e9nyben vagy h\u0171v\u00f6s, sz\u00e1raz helyen t\u00e1rolja.<\/span><\/p>\n

Tiszt\u00edt\u00e1si m\u00f3dszerek<\/span><\/b><\/b><\/p>\n

A hidrazidot krist\u00e1lyos\u00edtsuk ki v\u00edzb\u0151l. Sz\u00e1r\u00edtsuk ~100o -on P2O5 felett. [Beilstein 24 III\/IV 1186.]<\/span><\/p>\n

\u00d6sszef\u00e9rhetetlens\u00e9gek<\/span><\/b><\/b><\/p>\n

A por leveg\u0151vel robban\u00e1svesz\u00e9lyes kever\u00e9keket k\u00e9pezhet. Nem kompatibilis oxid\u00e1l\u00f3szerekkel (klor\u00e1tok, nitr\u00e1tok, peroxidok, permangan\u00e1tok, perklor\u00e1tok, kl\u00f3r, br\u00f3m, fluor stb.); \u00e9rintkez\u00e9s\u00fck t\u00fczet vagy robban\u00e1st okozhat.<\/span><\/p>\n

Tartsa t\u00e1vol l\u00fagokt\u00f3l, er\u0151s b\u00e1zisokt\u00f3l, er\u0151s savakt\u00f3l, oxid\u00e1l\u00f3 savakt\u00f3l \u00e9s epoxidokt\u00f3l. Enyh\u00e9n mar\u00f3 hat\u00e1s\u00fa a vasra \u00e9s a cinkre. A malein-hidrazid v\u00edzben old\u00f3d\u00f3 alk\u00e1lif\u00e9m- \u00e9s amins\u00f3kat k\u00e9pez. Gyeng\u00e9n savas \u00e9s monob\u00e1zikus savakkal titr\u00e1lhat\u00f3.<\/span><\/p>\n

Enyhe oxid\u00e1ci\u00f3val olyan vegy\u00fclet keletkezik, amely 277C\/2107F h\u0151m\u00e9rs\u00e9kleten azonnal reag\u00e1l a dienekkel, \u00e9s krist\u00e1lyos sz\u00e1rmaz\u00e9kokat k\u00e9pez. Nem kompatibilis az er\u0151s b\u00e1zisokkal reag\u00e1l\u00f3 rovar\u00f6l\u0151 szerekkel. Ez a vegyi anyag enyh\u00e9n mar\u00f3 hat\u00e1s\u00fa a vasra \u00e9s a cinkre.<\/span><\/p>\n

Neh\u00e9zf\u00e9mek, vas-, cink-, kalcium- \u00e9s magn\u00e9ziumionok jelenl\u00e9t\u00e9ben h\u00edg oldhat\u00f3 s\u00f3k k\u00e9pz\u0151dnek.<\/span><\/p>\n

Hullad\u00e9k\u00e1rtalmatlan\u00edt\u00e1s<\/span><\/b><\/b><\/p>\n

Az elfogadhat\u00f3 \u00e1rtalmatlan\u00edt\u00e1si m\u00f3dszerekr\u0151l konzult\u00e1ljon a k\u00f6rnyezetv\u00e9delmi szab\u00e1lyoz\u00f3 hat\u00f3s\u00e1ggal.<\/span><\/p>\n

Az ilyen szennyez\u0151 anyagot (\u2265100 kg\/h\u00f3) tartalmaz\u00f3 hullad\u00e9ktermel\u0151knek meg kell felelni\u00fck a t\u00e1rol\u00e1sra, sz\u00e1ll\u00edt\u00e1sra, kezel\u00e9sre \u00e9s \u00e1rtalmatlan\u00edt\u00e1sra vonatkoz\u00f3 EPA-el\u0151\u00edr\u00e1soknak. K\u00f6vesse a 40CFR165 szerinti peszticid- \u00e9s peszticidtart\u00e1ly-\u00e1rtalmatlan\u00edt\u00e1si aj\u00e1nl\u00e1sokat. A tart\u00e1lyokat megfelel\u0151en kell \u00e1rtalmatlan\u00edtani a csomagol\u00e1s c\u00edmk\u00e9j\u00e9n tal\u00e1lhat\u00f3 utas\u00edt\u00e1soknak megfelel\u0151en, vagy a helyi vagy sz\u00f6vets\u00e9gi k\u00f6rnyezetv\u00e9delmi ellen\u0151rz\u0151 hat\u00f3s\u00e1ggal vagy a region\u00e1lis EPA-irod\u00e1val val\u00f3 kapcsolatfelv\u00e9tel \u00fatj\u00e1n.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

Fedezze fel a malein-hidrazid el\u0151nyeit! malein-hidrazid 123-33-1 A 123-33-1 CAS-sz\u00e1m\u00fa malein-hidrazid egy vegy\u00fclet, amelynek molekulaformul\u00e1ja C4H4N2O2, molekulat\u00f6mege 112,09 g\/mol. N\u00f6v\u00e9nyi n\u00f6veked\u00e9sszab\u00e1lyoz\u00f3k\u00e9nt \u00e9s gyomirt\u00f3k\u00e9nt haszn\u00e1lj\u00e1k, g\u00e1tolja a nukleinsav- \u00e9s feh\u00e9rjeszint\u00e9zist. Jellemz\u0151en olyan n\u00f6v\u00e9nyek lombozat\u00e1ra alkalmazz\u00e1k, mint [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"\nDiscover the Benefits of Maleic Hydrazide! - 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\/hu\/discover-the-benefits-of-maleic-hydrazide\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Discover the Benefits of Maleic Hydrazide! - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Discover the Benefits of Maleic Hydrazide! maleic hydrazide\u00a0123-33-1 Maleic hydrazide, with the CAS number 123-33-1, is a compound with the molecular formula C4H4N2O2 and a molecular weight of 112.09 g\/mol. It is used as a plant growth regulator and herbicide, inhibiting nucleic acids and protein synthesis. 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