{"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\/hu\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/","title":{"rendered":"4-hidroxi-benzaldehid: szerkezet, szint\u00e9zis, alkalmaz\u00e1sok \u00e9s biztons\u00e1goss\u00e1g"},"content":{"rendered":"

1. <\/span>K\u00e9miai szerkezet \u00e9s tulajdons\u00e1gok<\/span><\/b><\/p>\n

Molekul\u00e1ris szerkezet<\/span><\/p>\n

A 4-hidroxi-benzaldehid, m\u00e1s n\u00e9ven p-hidroxi-benzaldehid k\u00e9t funkci\u00f3s csoporttal rendelkez\u0151 benzolgy\u0171r\u0171vel rendelkezik:<\/span><\/p>\n

Egy hidroxilcsoport (-OH) a para-poz\u00edci\u00f3ban (4. sz\u00e9natom).<\/span><\/p>\n

Egy aldehidcsoport (-CHO) a hidroxilcsoporthoz viszony\u00edtott para-poz\u00edci\u00f3ban.<\/span><\/p>\n

A szerkezeti k\u00e9plet a k\u00f6vetkez\u0151k\u00e9ppen \u00e1br\u00e1zolhat\u00f3:<\/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

Ez a poz\u00edcion\u00e1l\u00e1s adja a 4-hidroxi-benzaldehid egyedi reakci\u00f3k\u00e9pess\u00e9g\u00e9t.<\/span><\/p>\n

Fizikai tulajdons\u00e1gok<\/span><\/p>\n

Megjelen\u00e9s: Feh\u00e9r vagy vil\u00e1goss\u00e1rga krist\u00e1lyos por.<\/span><\/p>\n

Molekul\u00e1ris k\u00e9plet: C7H6O2.<\/span><\/p>\n

Molekulat\u00f6meg: 122,12 g\/mol.<\/span><\/p>\n

Olvad\u00e1spont: 115-118 \u00b0C. Az olvad\u00e1spont azt a h\u0151m\u00e9rs\u00e9kletet jelzi, amelyen a 4-hidroxi-benzaldehid szil\u00e1rd form\u00e1ja foly\u00e9kony \u00e1llapotba megy \u00e1t.<\/span><\/p>\n

Forr\u00e1spont: 191-192 \u00b0C. Ez az a h\u0151m\u00e9rs\u00e9klet, amelyen a 4-hidroxi-benzaldehid foly\u00e9konyb\u00f3l g\u00e1z halmaz\u00e1llapot\u00fav\u00e1 v\u00e1lik.<\/span><\/p>\n

S\u0171r\u0171s\u00e9g: 1,226 g\/cm\u00b3. Ez a tulajdons\u00e1g a 4-hidroxi-benzaldehid t\u00e9rfogategys\u00e9gre jut\u00f3 t\u00f6meg\u00e9t \u00edrja le.<\/span><\/p>\n

T\u00f6r\u00e9smutat\u00f3: 1.579. Ez azt jelzi, hogy a f\u00e9ny hogyan terjed a vegy\u00fcleten kereszt\u00fcl.<\/span><\/p>\n

Oldhat\u00f3s\u00e1g<\/span><\/p>\n

V\u00edzben val\u00f3 oldhat\u00f3s\u00e1g: V\u00edzben: Enyh\u00e9n old\u00f3dik. A hidroxilcsoport n\u00f6veli a v\u00edzben val\u00f3 oldhat\u00f3s\u00e1got m\u00e1s benzaldehidekhez k\u00e9pest.<\/span><\/p>\n

Szerves old\u00f3szerek: Etanolban, \u00e9terben \u00e9s kloroformban old\u00f3dik. Ez a nagy old\u00e9konys\u00e1g szerves old\u00f3szerekben sokoldal\u00faan felhaszn\u00e1lhat\u00f3v\u00e1 teszi a szerves szint\u00e9zisben.<\/span><\/p>\n

Spektroszk\u00f3piai tulajdons\u00e1gok<\/span><\/p>\n

UV-Vis spektroszk\u00f3pia: Az arom\u00e1s gy\u0171r\u0171 \u00e9s a konjug\u00e1lt rendszer jellegzetes abszorpci\u00f3s cs\u00facsokat mutat.<\/span><\/p>\n

IR spektroszk\u00f3pia:<\/span><\/p>\n

3200-3600 cm-\u00b9 k\u00f6r\u00fcli sz\u00e9les s\u00e1v az O-H ny\u00fajt\u00e1si rezg\u00e9sek miatt.<\/span><\/p>\n

Er\u0151s cs\u00facs 1680-1700 cm-\u00b9 k\u00f6r\u00fcl az aldehidcsoport C=O ny\u00fajt\u00e1si rezg\u00e9s\u00e9nek k\u00f6sz\u00f6nhet\u0151en.<\/span><\/p>\n

A benzolgy\u0171r\u0171 C=C ny\u00fajt\u00e1si rezg\u00e9seinek megfelel\u0151 1400-1600 cm-\u00b9 tartom\u00e1nyban tal\u00e1lhat\u00f3 cs\u00facsok.<\/span><\/p>\n

NMR spektroszk\u00f3pia:<\/span><\/p>\n

Proton NMR (\u00b9H NMR): Az aldehid proton 9-10 ppm k\u00f6r\u00fcl szingletk\u00e9nt jelenik meg. Az arom\u00e1s protonok jellemz\u0151en a 6-8 ppm tartom\u00e1nyban jelennek meg, a hidroxilproton pedig 4-5 ppm k\u00f6r\u00fcl.<\/span><\/p>\n

Sz\u00e9n-13 NMR (\u00b9\u00b3C NMR): Az aldehid-sz\u00e9n 190-200 ppm k\u00f6r\u00fcli cs\u00facsot mutat, az arom\u00e1s sz\u00e9natomok pedig 110-160 ppm tartom\u00e1nyban jelennek meg.<\/span><\/p>\n

K\u00e9miai reakci\u00f3k\u00e9pess\u00e9g<\/span><\/p>\n

Aldehid Reaktivit\u00e1s: A -CHO csoport r\u00e9szt vehet nukleofil add\u00edci\u00f3s reakci\u00f3kban, karbonsavv\u00e1 oxid\u00e1l\u00f3dhat \u00e9s alkoholl\u00e1 reduk\u00e1l\u00f3dhat.<\/span><\/p>\n

Hidroxil reakci\u00f3k\u00e9pess\u00e9g: A -OH csoport tipikus fenolos reakci\u00f3kat tud v\u00e9grehajtani, bele\u00e9rtve az \u00e9szteres\u00edt\u00e9st, az \u00e9teres\u00edt\u00e9st \u00e9s az elektrofil arom\u00e1s szubsztit\u00faci\u00f3t.<\/span><\/p>\n

Elektrofil arom\u00e1s szubsztit\u00faci\u00f3: A hidroxilcsoport aktiv\u00e1lja a benzolgy\u0171r\u0171t az elektrofil arom\u00e1s szubsztit\u00faci\u00f3ra, k\u00fcl\u00f6n\u00f6sen a hidroxilcsoporthoz viszony\u00edtott orto- \u00e9s para-helyzetben.<\/span><\/p>\n

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

A 4-hidroxi-benzaldehid norm\u00e1l k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt viszonylag stabil, de er\u0151s oxid\u00e1l\u00f3szerekt\u0151l t\u00e1vol, h\u0171v\u00f6s, sz\u00e1raz helyen kell t\u00e1rolni. A f\u00e9nynek \u00e9s leveg\u0151nek val\u00f3 kitetts\u00e9g fokozatos oxid\u00e1ci\u00f3hoz \u00e9s boml\u00e1shoz vezethet, ami befoly\u00e1solja a tisztas\u00e1got \u00e9s a hat\u00e9konys\u00e1got.<\/span><\/p>\n

Sz\u00e1rmaz\u00e9kok<\/span><\/p>\n

A 4-hidroxi-benzaldehid k\u00e9miailag m\u00f3dos\u00edthat\u00f3 k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00e1rmaz\u00e9kok el\u0151\u00e1ll\u00edt\u00e1s\u00e1ra:<\/span><\/p>\n

4-hidroxi-benzoesav: Az aldehidcsoport oxid\u00e1ci\u00f3j\u00e1val.<\/span><\/p>\n

4-Metoxi-benzaldehid: A hidroxilcsoport metil\u00e1l\u00e1s\u00e1val.<\/span><\/p>\n

Schiff-b\u00e1zisok: Aminokkal t\u00f6rt\u00e9n\u0151 kondenz\u00e1ci\u00f3val k\u00e9pz\u0151dnek.<\/span><\/p>\n

Ezek a sz\u00e1rmaz\u00e9kok kib\u0151v\u00edtik a 4-hidroxi-benzaldehid felhaszn\u00e1lhat\u00f3s\u00e1g\u00e1t k\u00fcl\u00f6nb\u00f6z\u0151 alkalmaz\u00e1sokban, bele\u00e9rtve a gy\u00f3gyszereket, illatanyagokat \u00e9s szerves szint\u00e9zist.<\/span><\/p>\n

2.\u00a0<\/span>4-hidroxi-benzaldehid szint\u00e9zise<\/span><\/b><\/b><\/p>\n

A 4-hidroxi-benzaldehidet t\u00f6bbf\u00e9le m\u00f3dszerrel lehet szintetiz\u00e1lni, mindegyiknek megvannak a maga el\u0151nyei a k\u00edv\u00e1nt tisztas\u00e1gt\u00f3l, a hozamt\u00f3l \u00e9s a konkr\u00e9t felhaszn\u00e1l\u00e1st\u00f3l f\u00fcgg\u0151en. \u00cdme n\u00e9h\u00e1ny gyakori szint\u00e9zism\u00f3dszer:<\/span><\/p>\n

1)\u00a0<\/span>4-hidroxitoluol (p-krezol) oxid\u00e1ci\u00f3ja<\/span><\/b><\/b><\/p>\n

Az egyik legegyszer\u0171bb m\u00f3dszer a 4-hidroxitoluol oxid\u00e1ci\u00f3j\u00e1t foglalja mag\u00e1ban:<\/span><\/p>\n

Kiindul\u00e1si anyag: p-krezol (4-hidroxitoluol).<\/span><\/p>\n

Oxid\u00e1l\u00f3szerek: A gyakori oxid\u00e1l\u00f3szerek k\u00f6z\u00e9 tartozik a k\u00e1lium-permangan\u00e1t (KMnO\u2084), a kr\u00f3m-trioxid (CrO\u2083) vagy a mang\u00e1n-dioxid (MnO\u2082).<\/span><\/p>\n

Elj\u00e1r\u00e1s:<\/span><\/p>\n

Oldjuk fel a p-krezolt megfelel\u0151 old\u00f3szerben, p\u00e9ld\u00e1ul v\u00edzben vagy v\u00edz \u00e9s szerves old\u00f3szer kever\u00e9k\u00e9ben.<\/span><\/p>\n

Adja hozz\u00e1 lassan az oxid\u00e1l\u00f3szert a reakci\u00f3h\u0151m\u00e9rs\u00e9klet fenntart\u00e1sa mellett.<\/span><\/p>\n

Keverj\u00fck a reakci\u00f3elegyet, am\u00edg az oxid\u00e1ci\u00f3 be nem fejez\u0151dik.<\/span><\/p>\n

Sz\u0171rj\u00fck le az elegyet, hogy elt\u00e1vol\u00edtsuk a csapad\u00e9kot, \u00e9s tiszt\u00edtsuk meg a term\u00e9ket \u00e1tkrist\u00e1lyos\u00edt\u00e1ssal vagy desztill\u00e1ci\u00f3val.<\/span><\/p>\n

2)\u00a0<\/span>A 4-hidroxi-benzilalkohol hidrol\u00edzise<\/span><\/b><\/b><\/p>\n

A 4-hidroxi-benzilalkohol hidrol\u00edzise egy m\u00e1sik m\u00f3dszer a 4-hidroxi-benzaldehid el\u0151\u00e1ll\u00edt\u00e1s\u00e1ra:<\/span><\/p>\n

Indul\u00f3 anyag: 4-hidroxibenzilalkohol.<\/span><\/p>\n

Reagensek: Vizes savoldat (pl. s\u00f3sav, HCl) vagy katalitikus mennyis\u00e9g\u0171 sav.<\/span><\/p>\n

Elj\u00e1r\u00e1s:<\/span><\/p>\n

Oldjuk fel a 4-hidroxibenzilalkoholt savas oldatban.<\/span><\/p>\n

Meleg\u00edts\u00fck a kever\u00e9ket reflux alatt.<\/span><\/p>\n

A reakci\u00f3 befejez\u00e9se ut\u00e1n h\u0171ts\u00fck le az elegyet, \u00e9s extrah\u00e1ljuk a term\u00e9ket.<\/span><\/p>\n

Tiszt\u00edtsuk meg a 4-hidroxi-benzaldehidet \u00e1tkrist\u00e1lyos\u00edt\u00e1ssal.<\/span><\/p>\n

3)\u00a0<\/span>Tiszt\u00edt\u00e1s<\/span><\/b><\/b><\/p>\n

A szint\u00e9zis ut\u00e1n a 4-hidroxi-benzaldehidet \u00e1ltal\u00e1ban tiszt\u00edtj\u00e1k a k\u00edv\u00e1nt tisztas\u00e1gi szint el\u00e9r\u00e9se \u00e9rdek\u00e9ben:<\/span><\/p>\n

\u00c1tkrist\u00e1lyos\u00edt\u00e1s: Oldjuk fel a nyers term\u00e9ket minim\u00e1lis mennyis\u00e9g\u0171 forr\u00f3 old\u00f3szerben (pl. etanolban vagy v\u00edzben), \u00e9s hagyjuk lassan kih\u0171lni. A tiszta 4-hidroxi-benzaldehid krist\u00e1lyai k\u00e9pz\u0151dnek.<\/span><\/p>\n

Lep\u00e1rl\u00e1s: A magas h\u0151m\u00e9rs\u00e9kleten t\u00f6rt\u00e9n\u0151 boml\u00e1s elker\u00fcl\u00e9se \u00e9rdek\u00e9ben v\u00e1kuumdesztill\u00e1ci\u00f3 alkalmazhat\u00f3 a desztill\u00e1ci\u00f3val t\u00f6rt\u00e9n\u0151 tiszt\u00edt\u00e1shoz.<\/span><\/p>\n

Kromatogr\u00e1fia: Tov\u00e1bbi tiszt\u00edt\u00e1shoz sz\u00fcks\u00e9g eset\u00e9n oszlopkromatogr\u00e1fi\u00e1t lehet alkalmazni.<\/span><\/p>\n

3.\u00a0<\/span>A 4-hidroxi-benzaldehid alkalmaz\u00e1sa<\/span><\/b><\/b><\/p>\n

1)\u00a0<\/span>Gy\u00f3gyszerek<\/span><\/b><\/b><\/p>\n

K\u00f6zb\u00fcls\u0151 term\u00e9k a gy\u00f3gyszerszint\u00e9zisben:<\/span><\/p>\n

A 4-hidroxi-benzaldehid sz\u00e1mos gy\u00f3gyszeripari vegy\u00fclet szint\u00e9zis\u00e9ben kulcsfontoss\u00e1g\u00fa k\u00f6ztes term\u00e9kk\u00e9nt szolg\u00e1l.<\/span><\/p>\n

V\u00e9rnyom\u00e1scs\u00f6kkent\u0151k, gyullad\u00e1scs\u00f6kkent\u0151k \u00e9s antimikrobi\u00e1lis vegy\u00fcletek el\u0151\u00e1ll\u00edt\u00e1s\u00e1ra haszn\u00e1lj\u00e1k. P\u00e9ld\u00e1ul prekurzor a 4-hidroxifenil-glicin szint\u00e9zis\u00e9ben, amelyet bizonyos antibiotikumok el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz haszn\u00e1lnak.<\/span><\/p>\n

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

Az analitikai k\u00e9mi\u00e1ban derivatiz\u00e1l\u00f3szerk\u00e9nt alkalmazz\u00e1k k\u00fcl\u00f6nb\u00f6z\u0151 gy\u00f3gyszeripari anyagok mennyis\u00e9gi meghat\u00e1roz\u00e1s\u00e1ra.<\/span><\/p>\n

Az aminokkal Schiff-b\u00e1zisok k\u00e9pz\u00e9s\u00e9re val\u00f3 k\u00e9pess\u00e9ge miatt hasznos az amin\u00f3tartalm\u00fa gy\u00f3gyszerek kimutat\u00e1s\u00e1ban \u00e9s elemz\u00e9s\u00e9ben.<\/span><\/p>\n

2)\u00a0<\/span>2. \u00cdzek \u00e9s illatok<\/span><\/b><\/b><\/p>\n

Aromakever\u00e9k:<\/span><\/p>\n

A 4-hidroxi-benzaldehidet kellemes mandulaszer\u0171 szaga miatt az \u00e9lelmiszeriparban \u00edzes\u00edt\u0151szerk\u00e9nt haszn\u00e1lj\u00e1k.<\/span><\/p>\n

A parf\u00fcm\u00f6kben, szappanokban \u00e9s kozmetikumokban haszn\u00e1lt k\u00fcl\u00f6nb\u00f6z\u0151 illatanyagok \u00f6sszetev\u0151je.<\/span><\/p>\n

A vanillin szint\u00e9zise:<\/span><\/p>\n

Fontos k\u00f6ztes term\u00e9k a vanillin (4-hidroxi-3-metoxi-benzaldehid) szint\u00e9zis\u00e9ben, amely az \u00e9lelmiszerekben, italokban \u00e9s gy\u00f3gyszerekben haszn\u00e1lt egyik legn\u00e9pszer\u0171bb \u00edzes\u00edt\u0151anyag.<\/span><\/p>\n

3)\u00a0<\/span>Szerves szint\u00e9zis<\/span><\/b><\/b><\/p>\n

\u00c9p\u00edt\u0151elem:<\/span><\/p>\n

A 4-hidroxi-benzaldehid \u00e9rt\u00e9kes \u00e9p\u00edt\u0151elem a szerves szint\u00e9zisben, amely hozz\u00e1j\u00e1rul a bonyolultabb molekul\u00e1k fel\u00e9p\u00edt\u00e9s\u00e9hez.<\/span><\/p>\n

Heterociklusos vegy\u00fcletek szint\u00e9zis\u00e9re haszn\u00e1lj\u00e1k, amelyek a gy\u00f3gyszeriparban \u00e9s az agrok\u00e9miai term\u00e9kekben tal\u00e1lnak alkalmaz\u00e1st.<\/span><\/p>\n

Keresztkapcsol\u00e1si reakci\u00f3k:<\/span><\/p>\n

R\u00e9szt vesz a Suzuki \u00e9s Heck-kapcsol\u00e1si reakci\u00f3kban, el\u0151seg\u00edtve a biarilvegy\u00fcletek \u00e9s m\u00e1s \u00f6sszetett szerkezetek szint\u00e9zis\u00e9hez n\u00e9lk\u00fcl\u00f6zhetetlen sz\u00e9n-sz\u00e9n k\u00f6t\u00e9sek kialakul\u00e1s\u00e1t.<\/span><\/p>\n

4)\u00a0<\/span>Biol\u00f3giai kutat\u00e1s<\/span><\/b><\/b><\/p>\n

Enzimg\u00e1tl\u00e1si vizsg\u00e1latok:<\/span><\/p>\n

A 4-hidroxi-benzaldehidet a biok\u00e9miai kutat\u00e1sokban haszn\u00e1lj\u00e1k a specifikus enzimek g\u00e1tl\u00e1s\u00e1nak tanulm\u00e1nyoz\u00e1s\u00e1ra.<\/span><\/p>\n

Seg\u00edt meg\u00e9rteni az enzimek m\u0171k\u00f6d\u00e9s\u00e9t \u00e9s szab\u00e1lyoz\u00e1s\u00e1t, ami kulcsfontoss\u00e1g\u00fa a gy\u00f3gyszerfejleszt\u00e9s \u00e9s a ter\u00e1pi\u00e1s beavatkoz\u00e1sok szempontj\u00e1b\u00f3l.<\/span><\/p>\n

Antioxid\u00e1ns kutat\u00e1s:<\/span><\/p>\n

Antioxid\u00e1ns tulajdons\u00e1gai miatt vizsg\u00e1lj\u00e1k, hozz\u00e1j\u00e1rulva az oxidat\u00edv stresszel \u00e9s a kapcsol\u00f3d\u00f3 betegs\u00e9gekkel kapcsolatos tanulm\u00e1nyokhoz.<\/span><\/p>\n

A szabad gy\u00f6k\u00f6k elnyer\u00e9s\u00e9re val\u00f3 k\u00e9pess\u00e9ge az oxidat\u00edv k\u00e1rosod\u00e1ssal j\u00e1r\u00f3 \u00e1llapotok megel\u0151z\u00e9s\u00e9nek \u00e9s kezel\u00e9s\u00e9nek kutat\u00e1s\u00e1ra teszi alkalmass\u00e1.<\/span><\/p>\n

5)\u00a0<\/span>Polimer ipar<\/span><\/b><\/b><\/p>\n

Polimer adal\u00e9kanyag:<\/span><\/p>\n

El\u0151anyagk\u00e9nt haszn\u00e1lj\u00e1k fenolgyant\u00e1k \u00e9s m\u00e1s polimer anyagok szint\u00e9zis\u00e9ben.<\/span><\/p>\n

Ezeket a polimereket bevonatokban, ragaszt\u00f3kban \u00e9s kompozit anyagokban alkalmazz\u00e1k, amelyek jav\u00edtott mechanikai \u00e9s termikus tulajdons\u00e1gokkal rendelkeznek.<\/span><\/p>\n

Stabiliz\u00e1torok:<\/span><\/p>\n

A 4-hidroxi-benzaldehid stabiliz\u00e1tork\u00e9nt m\u0171k\u00f6dhet a polimeriz\u00e1ci\u00f3s folyamatokban, jav\u00edtva a polimer v\u00e9gterm\u00e9kek stabilit\u00e1s\u00e1t \u00e9s teljes\u00edtm\u00e9ny\u00e9t.<\/span><\/p>\n

6)\u00a0<\/span>Agrok\u00e9miai szerek<\/span><\/b><\/b><\/p>\n

Peszticidek \u00e9s gyomirt\u00f3k:<\/span><\/p>\n

K\u00fcl\u00f6nb\u00f6z\u0151 agrok\u00e9miai anyagok, k\u00f6zt\u00fck peszticidek \u00e9s herbicidek szint\u00e9zis\u00e9nek el\u0151anyaga.<\/span><\/p>\n

Ezek a vegy\u00fcletek l\u00e9tfontoss\u00e1g\u00faak a k\u00e1rtev\u0151k elleni v\u00e9dekez\u00e9sben \u00e9s a mez\u0151gazdas\u00e1gi termel\u00e9kenys\u00e9g jav\u00edt\u00e1s\u00e1ban.<\/span><\/p>\n

7)\u00a0<\/span>Sz\u00ednez\u00e9kek \u00e9s pigmentek<\/span><\/b><\/b><\/p>\n

Sz\u00ednez\u00e9kek szint\u00e9zise:<\/span><\/p>\n

Azosz\u00ednez\u00e9kek \u00e9s m\u00e1s sz\u00ednez\u00e9kek el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz haszn\u00e1lj\u00e1k.<\/span><\/p>\n

Ezek a sz\u00ednez\u00e9kek text\u00edli\u00e1kban, tint\u00e1kban \u00e9s bevonatokban tal\u00e1lnak alkalmaz\u00e1st, \u00e9l\u00e9nk \u00e9s tart\u00f3s sz\u00edneket biztos\u00edtva.<\/span><\/p>\n

4.\u00a0<\/span>Biztons\u00e1g \u00e9s kezel\u00e9s<\/span><\/b><\/b><\/p>\n

B\u0151r- \u00e9s szemirrit\u00e1ci\u00f3t okozhat; lenyelve vagy bel\u00e9legezve \u00e1rtalmas.<\/span><\/p>\n

Haszn\u00e1ljon keszty\u0171t, v\u00e9d\u0151szem\u00fcveget \u00e9s laborat\u00f3riumi k\u00f6penyt az \u00e9rintkez\u00e9s megakad\u00e1lyoz\u00e1s\u00e1ra.<\/span><\/p>\n

H\u0171v\u00f6s, sz\u00e1raz helyen, \u00f6sszef\u00e9rhetetlen anyagokt\u00f3l, p\u00e9ld\u00e1ul er\u0151s oxid\u00e1l\u00f3szerekt\u0151l t\u00e1vol t\u00e1rolja.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

1. K\u00e9miai szerkezet \u00e9s tulajdons\u00e1gok Molekulaszerkezet A 4-hidroxi-benzaldehid, m\u00e1s n\u00e9ven p-hidroxi-benzaldehid, egy benzolgy\u0171r\u0171t tartalmaz k\u00e9t funkci\u00f3s csoporttal: Egy hidroxilcsoport (-OH) a para-poz\u00edci\u00f3ban (4. sz\u00e9natom). Egy aldehidcsoport (-CHO) a hidroxilcsoporthoz viszony\u00edtott para-helyzetben. A szerkezeti k\u00e9plet a k\u00f6vetkez\u0151k\u00e9ppen \u00e1br\u00e1zolhat\u00f3: 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\/hu\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\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\/hu\/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=\"Szerz\u0151:\" \/>\n\t<meta name=\"twitter:data1\" content=\"longcha9\" \/>\n\t<meta name=\"twitter:label2\" content=\"Becs\u00fclt olvas\u00e1si id\u0151\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 perc\" \/>\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\":\"hu\",\"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\":\"hu\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869\",\"name\":\"longcha9\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"hu\",\"@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-Hydroxybenzaldehid: Szerkezet, szint\u00e9zis, alkalmaz\u00e1sok \u00e9s biztons\u00e1g - K\u00edna 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\/hu\/4-hydroxybenzaldehyde-structure-synthesis-applications-and-safety\/","og_locale":"hu_HU","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\/hu\/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":{"Szerz\u0151:":"longcha9","Becs\u00fclt olvas\u00e1si id\u0151":"6 perc"},"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-Hydroxybenzaldehid: Szerkezet, szint\u00e9zis, alkalmaz\u00e1sok \u00e9s biztons\u00e1g - K\u00edna 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":"hu","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":"K\u00edna Vegyi Gy\u00e1rt\u00f3","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/longchangextracts.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"hu"},{"@type":"Person","@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869","name":"longcha9","image":{"@type":"ImageObject","inLanguage":"hu","@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\/hu\/wp-json\/wp\/v2\/posts\/3448"}],"collection":[{"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/comments?post=3448"}],"version-history":[{"count":0,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/posts\/3448\/revisions"}],"wp:attachment":[{"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/media?parent=3448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/categories?post=3448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/longchangextracts.com\/hu\/wp-json\/wp\/v2\/tags?post=3448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}