{"id":3448,"date":"2024-07-12T06:47:26","date_gmt":"2024-07-12T06:47:26","guid":{"rendered":"https:\/\/pharm.sinocurechem.com\/?p=3448"},"modified":"2024-07-12T06:47:26","modified_gmt":"2024-07-12T06:47:26","slug":"4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/","title":{"rendered":"4-Hydroxybenzaldehyd: Struktur, syntese, anvendelse og sikkerhed"},"content":{"rendered":"

1. <\/span>Kemisk struktur og egenskaber<\/span><\/b><\/p>\n

Molekyl\u00e6r struktur<\/span><\/p>\n

4-Hydroxybenzaldehyd, ogs\u00e5 kendt som p-hydroxybenzaldehyd, har en benzenring med to funktionelle grupper:<\/span><\/p>\n

En hydroxylgruppe (-OH) i para-position (kulstof 4).<\/span><\/p>\n

En aldehydgruppe (-CHO) i para-position i forhold til hydroxylgruppen.<\/span><\/p>\n

Strukturformlen kan repr\u00e6senteres som:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0OH<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0|<\/span><\/p>\n

\u00a0\u00a0C6H4<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0|<\/span><\/p>\n

\u00a0\u00a0\u00a0CHO<\/span><\/p>\n

Denne placering giver 4-hydroxybenzaldehyd sin unikke reaktivitetsprofil.<\/span><\/p>\n

Fysiske egenskaber<\/span><\/p>\n

Udseende: Hvidt til lysegult krystallinsk pulver.<\/span><\/p>\n

Molekyl\u00e6r formel: C7H6O2.<\/span><\/p>\n

Molekylv\u00e6gt: 122,12 g\/mol.<\/span><\/p>\n

Smeltepunkt: 115-118 \u00b0C. Smeltepunktet angiver den temperatur, hvor den faste form af 4-Hydroxybenzaldehyd overg\u00e5r til flydende tilstand.<\/span><\/p>\n

Kogepunkt: 191-192 \u00b0C. Det er den temperatur, hvor 4-hydroxybenzaldehyd overg\u00e5r fra flydende til gasformig tilstand.<\/span><\/p>\n

Massefylde: 1,226 g\/cm\u00b3. Denne egenskab beskriver massen pr. volumenenhed af 4-Hydroxybenzaldehyd.<\/span><\/p>\n

Brydningsindeks: 1.579. Dette angiver, hvordan lys forplanter sig gennem forbindelsen.<\/span><\/p>\n

Opl\u00f8selighed<\/span><\/p>\n

Vandopl\u00f8selighed: Let opl\u00f8seligt. Hydroxylgruppen \u00f8ger opl\u00f8seligheden i vand i forhold til andre benzaldehyder.<\/span><\/p>\n

Organiske opl\u00f8sningsmidler: Opl\u00f8selig i ethanol, ether og chloroform. Denne h\u00f8je opl\u00f8selighed i organiske opl\u00f8sningsmidler g\u00f8r den alsidig til brug i organisk syntese.<\/span><\/p>\n

Spektroskopiske egenskaber<\/span><\/p>\n

UV-Vis-spektroskopi: Viser karakteristiske absorptionstoppe p\u00e5 grund af den aromatiske ring og det konjugerede system.<\/span><\/p>\n

IR-spektroskopi:<\/span><\/p>\n

Bredt b\u00e5nd omkring 3200-3600 cm-\u00b9 p\u00e5 grund af O-H-str\u00e6kningsvibrationer.<\/span><\/p>\n

St\u00e6rk top omkring 1680-1700 cm-\u00b9 p\u00e5 grund af C=O-str\u00e6kningsvibrationen fra aldehydgruppen.<\/span><\/p>\n

Toppe i omr\u00e5det 1400-1600 cm-\u00b9 svarende til C=C-str\u00e6kningsvibrationer i benzenringen.<\/span><\/p>\n

NMR-spektroskopi:<\/span><\/p>\n

Proton NMR (\u00b9H NMR): Aldehydprotonen optr\u00e6der som en singlet omkring 9-10 ppm. De aromatiske protoner optr\u00e6der typisk i omr\u00e5det 6-8 ppm, og hydroxylprotonen optr\u00e6der omkring 4-5 ppm.<\/span><\/p>\n

Kulstof-13 NMR (\u00b9\u00b3C NMR): Aldehydkulstoffet viser en top omkring 190-200 ppm, og aromatiske kulstoffer vises i omr\u00e5det 110-160 ppm.<\/span><\/p>\n

Kemisk reaktivitet<\/span><\/p>\n

Aldehyds reaktivitet: -CHO-gruppen kan deltage i nukleofile additionsreaktioner, oxidation til carboxylsyrer og reduktion til alkoholer.<\/span><\/p>\n

Hydroxyl-reaktivitet: -OH-gruppen kan underg\u00e5 typiske phenolreaktioner, herunder esterificering, etherificering og elektrofil aromatisk substitution.<\/span><\/p>\n

Elektrofil aromatisk substitution: Hydroxylgruppen aktiverer benzenringen mod elektrofil aromatisk substitution, is\u00e6r i ortho- og para-positionerne i forhold til hydroxylgruppen.<\/span><\/p>\n

Stabilitet<\/span><\/p>\n

4-Hydroxybenzaldehyd er relativt stabilt under normale forhold, men skal opbevares p\u00e5 et k\u00f8ligt, t\u00f8rt sted v\u00e6k fra st\u00e6rke oxidationsmidler. Uds\u00e6ttelse for lys og luft kan f\u00f8re til gradvis oxidering og nedbrydning, hvilket p\u00e5virker dets renhed og effektivitet.<\/span><\/p>\n

Derivater<\/span><\/p>\n

4-Hydroxybenzaldehyd kan modificeres kemisk til at producere forskellige derivater:<\/span><\/p>\n

4-hydroxybenzoesyre: Gennem oxidation af aldehydgruppen.<\/span><\/p>\n

4-Methoxybenzaldehyd: Ved methylering af hydroxylgruppen.<\/span><\/p>\n

Schiff-baser: Dannet ved kondensation med aminer.<\/span><\/p>\n

Disse derivater udvider anvendeligheden af 4-hydroxybenzaldehyd i forskellige applikationer, herunder l\u00e6gemidler, dufte og organisk syntese.<\/span><\/p>\n

2.\u00a0<\/span>Syntese af 4-hydroxybenzaldehyd<\/span><\/b><\/b><\/p>\n

4-Hydroxybenzaldehyd kan syntetiseres ved hj\u00e6lp af flere metoder, der hver is\u00e6r har deres fordele afh\u00e6ngigt af den kr\u00e6vede renhed, udbytte og specifikke anvendelse. Her er nogle almindelige syntesemetoder:<\/span><\/p>\n

1)\u00a0<\/span>Oxidation af 4-hydroxytoluen (p-cresol)<\/span><\/b><\/b><\/p>\n

En af de mest ligetil metoder involverer oxidation af 4-hydroxytoluen:<\/span><\/p>\n

Udgangsmateriale: p-Cresol (4-hydroxytoluen).<\/span><\/p>\n

Oxidationsmidler: Almindelige oxidationsmidler omfatter kaliumpermanganat (KMnO\u2084), kromtrioxid (CrO\u2083) eller mangandioxid (MnO\u2082).<\/span><\/p>\n

Procedure:<\/span><\/p>\n

Opl\u00f8s p-cresol i et passende opl\u00f8sningsmiddel, f.eks. vand eller en blanding af vand og et organisk opl\u00f8sningsmiddel.<\/span><\/p>\n

Tils\u00e6t oxidationsmidlet langsomt, mens reaktionstemperaturen opretholdes.<\/span><\/p>\n

R\u00f8r rundt i reaktionsblandingen, indtil oxidationen er afsluttet.<\/span><\/p>\n

Filtrer blandingen for at fjerne eventuelt bundfald, og rens produktet ved omkrystallisering eller destillation.<\/span><\/p>\n

2)\u00a0<\/span>Hydrolyse af 4-hydroxybenzylalkohol<\/span><\/b><\/b><\/p>\n

Hydrolyse af 4-hydroxybenzylalkohol er en anden metode til at opn\u00e5 4-hydroxybenzaldehyd:<\/span><\/p>\n

Udgangsmateriale: 4-hydroxybenzylalkohol.<\/span><\/p>\n

Reagenser: Vandig syreopl\u00f8sning (f.eks. saltsyre, HCl) eller katalytisk m\u00e6ngde af en syre.<\/span><\/p>\n

Procedure:<\/span><\/p>\n

Opl\u00f8s 4-hydroxybenzylalkohol i en syreopl\u00f8sning.<\/span><\/p>\n

Opvarm blandingen under tilbagesvaling.<\/span><\/p>\n

N\u00e5r reaktionen er afsluttet, afk\u00f8les blandingen, og produktet ekstraheres.<\/span><\/p>\n

Rens 4-hydroxybenzaldehyd ved omkrystallisation.<\/span><\/p>\n

3)\u00a0<\/span>Rensning<\/span><\/b><\/b><\/p>\n

Efter syntesen renses 4-hydroxybenzaldehyd typisk for at opn\u00e5 den \u00f8nskede renhedsgrad:<\/span><\/p>\n

Omkrystallisering: Opl\u00f8s r\u00e5produktet i en minimal m\u00e6ngde varmt opl\u00f8sningsmiddel (f.eks. ethanol eller vand), og lad det afk\u00f8le langsomt. Der vil dannes krystaller af rent 4-hydroxybenzaldehyd.<\/span><\/p>\n

Destillation: Ved rensning gennem destillation kan vakuumdestillation anvendes for at undg\u00e5 nedbrydning ved h\u00f8je temperaturer.<\/span><\/p>\n

Kromatografi: Kolonnekromatografi kan anvendes til yderligere oprensning, hvis det er n\u00f8dvendigt.<\/span><\/p>\n

3.\u00a0<\/span>Anvendelser af 4-hydroxybenzaldehyd<\/span><\/b><\/b><\/p>\n

1)\u00a0<\/span>L\u00e6gemidler<\/span><\/b><\/b><\/p>\n

Mellemprodukt i l\u00e6gemiddelsyntese:<\/span><\/p>\n

4-Hydroxybenzaldehyd fungerer som et vigtigt mellemprodukt i syntesen af flere farmaceutiske forbindelser.<\/span><\/p>\n

Det bruges i produktionen af antihypertensive midler, antiinflammatoriske l\u00e6gemidler og antimikrobielle forbindelser. For eksempel er det en forl\u00f8ber i syntesen af 4-hydroxyphenylglycin, som bruges til fremstilling af visse antibiotika.<\/span><\/p>\n

Analytisk reagens:<\/span><\/p>\n

Det anvendes som derivatiseringsmiddel i analytisk kemi til kvantitativ bestemmelse af forskellige farmaceutiske stoffer.<\/span><\/p>\n

Dens evne til at danne Schiff-baser med aminer g\u00f8r den nyttig til p\u00e5visning og analyse af aminoholdige stoffer.<\/span><\/p>\n

2)\u00a0<\/span>2. Smags- og duftstoffer<\/span><\/b><\/b><\/p>\n

Aromaforbindelse:<\/span><\/p>\n

4-Hydroxybenzaldehyd bruges som smagsstof i f\u00f8devareindustrien p\u00e5 grund af sin behagelige mandellignende lugt.<\/span><\/p>\n

Det er en komponent i formuleringen af forskellige duftstoffer, der bruges i parfumer, s\u00e6ber og kosmetik.<\/span><\/p>\n

Syntese af vanillin:<\/span><\/p>\n

Det er et vigtigt mellemprodukt i syntesen af vanillin (4-hydroxy-3-methoxybenzaldehyd), et af de mest popul\u00e6re aromastoffer, der bruges i f\u00f8devarer, drikkevarer og l\u00e6gemidler.<\/span><\/p>\n

3)\u00a0<\/span>Organisk syntese<\/span><\/b><\/b><\/p>\n

Byggeklods:<\/span><\/p>\n

4-Hydroxybenzaldehyd er en v\u00e6rdifuld byggesten i organisk syntese, der bidrager til opbygningen af mere komplekse molekyler.<\/span><\/p>\n

Det bruges til syntese af heterocykliske forbindelser, som anvendes i l\u00e6gemidler og landbrugskemikalier.<\/span><\/p>\n

Krydskoblingsreaktioner:<\/span><\/p>\n

Det deltager i Suzuki- og Heck-koblingsreaktioner og letter dannelsen af kulstof-kulstof-bindinger, der er afg\u00f8rende for syntesen af biarylforbindelser og andre komplekse strukturer.<\/span><\/p>\n

4)\u00a0<\/span>Biologisk forskning<\/span><\/b><\/b><\/p>\n

Unders\u00f8gelser af enzymh\u00e6mning:<\/span><\/p>\n

4-Hydroxybenzaldehyd bruges i biokemisk forskning til at unders\u00f8ge h\u00e6mning af specifikke enzymer.<\/span><\/p>\n

Det hj\u00e6lper med at forst\u00e5 enzymers funktion og regulering, hvilket er afg\u00f8rende for udvikling af l\u00e6gemidler og terapeutiske indgreb.<\/span><\/p>\n

Forskning i antioxidanter:<\/span><\/p>\n

Den unders\u00f8ges for sine antioxidantegenskaber og bidrager til unders\u00f8gelser af oxidativ stress og relaterede sygdomme.<\/span><\/p>\n

Dens evne til at fjerne frie radikaler g\u00f8r den til en kandidat til forskning i forebyggelse og behandling af tilstande, der er forbundet med oxidativ skade.<\/span><\/p>\n

5)\u00a0<\/span>Polymerindustrien<\/span><\/b><\/b><\/p>\n

Polymeradditiv:<\/span><\/p>\n

Det bruges som forl\u00f8ber i syntesen af phenolharpikser og andre polymere materialer.<\/span><\/p>\n

Disse polymerer anvendes i bel\u00e6gninger, kl\u00e6bemidler og kompositmaterialer og giver forbedrede mekaniske og termiske egenskaber.<\/span><\/p>\n

Stabilisatorer:<\/span><\/p>\n

4-Hydroxybenzaldehyd kan fungere som en stabilisator i polymeriseringsprocesserne, hvilket forbedrer stabiliteten og ydeevnen af de endelige polymerprodukter.<\/span><\/p>\n

6)\u00a0<\/span>Agrokemikalier<\/span><\/b><\/b><\/p>\n

Pesticider og herbicider:<\/span><\/p>\n

Det er en forl\u00f8ber i syntesen af forskellige landbrugskemikalier, herunder pesticider og herbicider.<\/span><\/p>\n

Disse stoffer er afg\u00f8rende for bek\u00e6mpelse af skadedyr og forbedring af landbrugets produktivitet.<\/span><\/p>\n

7)\u00a0<\/span>Farvestoffer og pigmenter<\/span><\/b><\/b><\/p>\n

Syntese af farvestoffer:<\/span><\/p>\n

Det bruges i produktionen af azofarvestoffer og andre farvestoffer.<\/span><\/p>\n

Disse farvestoffer anvendes i tekstiler, trykfarver og bel\u00e6gninger, hvor de giver levende og holdbare farver.<\/span><\/p>\n

4.\u00a0<\/span>Sikkerhed og h\u00e5ndtering<\/span><\/b><\/b><\/p>\n

Kan for\u00e5rsage hud- og \u00f8jenirritation; skadelig ved indtagelse eller ind\u00e5nding.<\/span><\/p>\n

Brug handsker, sikkerhedsbriller og kittel for at undg\u00e5 kontakt.<\/span><\/p>\n

Opbevares p\u00e5 et k\u00f8ligt, t\u00f8rt sted v\u00e6k fra uforenelige stoffer som f.eks. st\u00e6rke oxidationsmidler.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

1. Kemisk struktur og egenskaber Molekyl\u00e6r struktur 4-Hydroxybenzaldehyd, ogs\u00e5 kendt som p-hydroxybenzaldehyd, har en benzenring med to funktionelle grupper: En hydroxylgruppe (-OH) i para-position (kulstof 4). En aldehydgruppe (-CHO) i para-position i forhold til hydroxylgruppen. Strukturformlen kan repr\u00e6senteres som: OH | C6H4 | CHO [...]<\/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":"\n4-Hydroxybenzaldehyde: Structure, Synthesis, Applications, and Safety - 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\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"4-Hydroxybenzaldehyde: Structure, Synthesis, Applications, and Safety - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"1. Chemical Structure and Properties Molecular Structure 4-Hydroxybenzaldehyde, also known as p-hydroxybenzaldehyde, has a benzene ring with two functional groups: A hydroxyl group (-OH) at the para position (carbon 4). An aldehyde group (-CHO) at the para position relative to the hydroxyl group. The structural formula can be represented as: \u00a0\u00a0\u00a0\u00a0OH \u00a0\u00a0\u00a0\u00a0\u00a0| \u00a0\u00a0C6H4 \u00a0\u00a0\u00a0\u00a0\u00a0| \u00a0\u00a0\u00a0CHO […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangextracts.com\/da\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/\" \/>\n<meta property=\"og:site_name\" content=\"China Chemical Manufacturer\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-12T06:47:26+00:00\" \/>\n<meta name=\"author\" content=\"longcha9\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Skrevet af\" \/>\n\t<meta name=\"twitter:data1\" content=\"longcha9\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimeret l\u00e6setid\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/\",\"url\":\"https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/\",\"name\":\"4-Hydroxybenzaldehyde: Structure, Synthesis, Applications, and Safety - China Chemical Manufacturer\",\"isPartOf\":{\"@id\":\"https:\/\/longchangextracts.com\/#website\"},\"datePublished\":\"2024-07-12T06:47:26+00:00\",\"dateModified\":\"2024-07-12T06:47:26+00:00\",\"author\":{\"@id\":\"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869\"},\"breadcrumb\":{\"@id\":\"https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/#breadcrumb\"},\"inLanguage\":\"da-DK\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/longchangextracts.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"4-Hydroxybenzaldehyde: Structure, Synthesis, Applications, and Safety\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/longchangextracts.com\/#website\",\"url\":\"https:\/\/longchangextracts.com\/\",\"name\":\"China Chemical Manufacturer\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/longchangextracts.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"da-DK\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869\",\"name\":\"longcha9\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"da-DK\",\"@id\":\"https:\/\/longchangextracts.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g\",\"caption\":\"longcha9\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"4-Hydroxybenzaldehyd: Struktur, syntese, anvendelser og sikkerhed - China Chemical Manufacturer","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/longchangextracts.com\/da\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/","og_locale":"da_DK","og_type":"article","og_title":"4-Hydroxybenzaldehyde: Structure, Synthesis, Applications, and Safety - China Chemical Manufacturer","og_description":"1. Chemical Structure and Properties Molecular Structure 4-Hydroxybenzaldehyde, also known as p-hydroxybenzaldehyde, has a benzene ring with two functional groups: A hydroxyl group (-OH) at the para position (carbon 4). An aldehyde group (-CHO) at the para position relative to the hydroxyl group. The structural formula can be represented as: \u00a0\u00a0\u00a0\u00a0OH \u00a0\u00a0\u00a0\u00a0\u00a0| \u00a0\u00a0C6H4 \u00a0\u00a0\u00a0\u00a0\u00a0| \u00a0\u00a0\u00a0CHO […]","og_url":"https:\/\/longchangextracts.com\/da\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/","og_site_name":"China Chemical Manufacturer","article_published_time":"2024-07-12T06:47:26+00:00","author":"longcha9","twitter_card":"summary_large_image","twitter_misc":{"Skrevet af":"longcha9","Estimeret l\u00e6setid":"6 minutter"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/","url":"https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/","name":"4-Hydroxybenzaldehyd: Struktur, syntese, anvendelser og sikkerhed - China Chemical Manufacturer","isPartOf":{"@id":"https:\/\/longchangextracts.com\/#website"},"datePublished":"2024-07-12T06:47:26+00:00","dateModified":"2024-07-12T06:47:26+00:00","author":{"@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869"},"breadcrumb":{"@id":"https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/#breadcrumb"},"inLanguage":"da-DK","potentialAction":[{"@type":"ReadAction","target":["https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/longchangextracts.com\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/longchangextracts.com\/"},{"@type":"ListItem","position":2,"name":"4-Hydroxybenzaldehyde: Structure, Synthesis, Applications, and Safety"}]},{"@type":"WebSite","@id":"https:\/\/longchangextracts.com\/#website","url":"https:\/\/longchangextracts.com\/","name":"Producent af kemikalier i Kina","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/longchangextracts.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"da-DK"},{"@type":"Person","@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869","name":"longcha9","image":{"@type":"ImageObject","inLanguage":"da-DK","@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","caption":"longcha9"}}]}},"_links":{"self":[{"href":"https:\/\/longchangextracts.com\/da\/wp-json\/wp\/v2\/posts\/3448"}],"collection":[{"href":"https:\/\/longchangextracts.com\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/longchangextracts.com\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/longchangextracts.com\/da\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/longchangextracts.com\/da\/wp-json\/wp\/v2\/comments?post=3448"}],"version-history":[{"count":0,"href":"https:\/\/longchangextracts.com\/da\/wp-json\/wp\/v2\/posts\/3448\/revisions"}],"wp:attachment":[{"href":"https:\/\/longchangextracts.com\/da\/wp-json\/wp\/v2\/media?parent=3448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/longchangextracts.com\/da\/wp-json\/wp\/v2\/categories?post=3448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/longchangextracts.com\/da\/wp-json\/wp\/v2\/tags?post=3448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}