O-Amino-p-Chlorophenol

Apejuwe kukuru:

Ṣiṣejade ti 2-nitro-p-chlorophenol: Lilo p-chlorophenol gẹgẹbi ohun elo aise, nitrification pẹlu nitric acid.Fi p-chlorophenol distilled sii laiyara sinu ojò ti a ru soke pẹlu 30% nitric acid, tọju iwọn otutu ni 25-30, ru fun wakati 2, fi yinyin kun lati tutu si isalẹ 20, ṣaju, ṣe àlẹmọ, ki o fọ akara oyinbo àlẹmọ si Congo Red, ọja 2-nitrop-chlorophenol ti gba.


Alaye ọja

ọja Tags

Kemikali Be

13

Orukọ ọja: o-amino-p-chlorophenol

Awọn orukọ miiran: 4-chloro-2-aminophenol;p-chloro-o-aminophenol;o-amino-p-chlorophenol;4KAP;5-chloro-2-hydroxyaniline;2-hydroxy-5-chloroaniline

molikula agbekalẹ: C6H6ClNO

àdánù agbekalẹ: 143.57

Nọmba System

CAS No: 95-85-2

EINECS No: 202-458-9

Data Ti ara

Irisi: funfun tabi pa-funfun crystalline lulú.

Mimọ: ≥98.0%

Oju ipa: 140142

Solubility: insoluble in water, solubility in water at 20°C <0.1 g/100 milimita, tiotuka ninu ether, ethanol ati chloroform.

Iduroṣinṣin: iduroṣinṣin nigbati o gbẹ, rọrun lati wa ni oxidized ati awọ ni afẹfẹ tutu, flammable ni ọran ti ina ti o ṣii;ooru ti o ga tu awọn kiloraidi majele ati awọn gaasi afẹfẹ nitrogen jade.

Ọna iṣelọpọ

Ti a lo bi agbedemeji dai, ati pe o tun lo ni igbaradi ti awọn agbedemeji oluranlowo funfun fluorescent, ati lilo ninu iṣelọpọ ti oluranlowo funfun Fuluorisenti DT.

Ọna iṣelọpọ

Lilo p-chlorophenol gẹgẹbi ohun elo aise, 2-nitro-p-chlorophenol le ṣee ṣe nipasẹ nitration, ati lẹhinna dinku lati ṣe p-chloro-o-aminophenol.

(1) Ṣiṣejade ti 2-nitro-p-chlorophenol: Lilo p-chlorophenol gẹgẹbi ohun elo aise, nitrification pẹlu nitric acid.Fi p-chlorophenol distilled sii laiyara sinu ojò ti a ru soke pẹlu 30% nitric acid, tọju iwọn otutu ni 25-30, ru fun wakati 2, fi yinyin kun lati tutu si isalẹ 20, ṣaju, ṣe àlẹmọ, ki o fọ akara oyinbo àlẹmọ si Congo Red, ọja 2-nitrop-chlorophenol ti gba.

(2) Awọn ọna meji lo wa fun idinku 2-nitro-p-chlorophenol.Ọkan ni lati dinku pẹlu iṣuu soda disulfide.Ni akọkọ, 30% iṣuu soda hydroxide ojutu ati sulfur lulú ni a lo lati ṣe ojutu iṣuu soda disulfide, ati 2-nitro-p-phenol ti wa ni afikun ni iwọn lati fesi ni 95-100°C, ati pe esi ti pari.Lẹhin isọ ti o gbona, filtrate naa jẹ didoju pẹlu omi onisuga yan, tutu si 20°C, filtered, ati akara oyinbo àlẹmọ jẹ fo si didoju lati gba ọja ti o pari 2-nitro-p-chlorophenol.

Awọn keji ni hydrogenation idinku ọna.Ni iwaju ayase nickel, idadoro olomi ti 2-nitro-p-chlorophenol jẹ atunṣe si pH=7 pẹlu sodium dihydrogen phosphate hydrate ati iṣuu soda hydroxide olomi ojutu ni titẹ hydrogen ti 4.05Mpa ati idinku Hydrogenation ni 60°C. Lẹhin ti iṣesi ti pari, tu titẹ silẹ, rọpo pẹlu nitrogen, ooru si 95°C, ṣatunṣe pH = 10.7 pẹlu iṣuu soda hydroxide, ṣafikun erogba ti a mu ṣiṣẹ ati ilẹ diatomaceous, ru ni agbara, ati àlẹmọ.A ṣe atunṣe sisẹ si pH=5.2 (20°C) pẹlu ogidi hydrochloric acid, tutu si 0°C, filtered, gbigbe, ati itọju pẹlu iṣuu soda bisulfite.Tun iṣẹ naa ṣe ni igba mẹrin, lẹhinna distill ni 2.67kpa, gba awọn ida ni ayika 80°C, ati ki o gbẹ wọn lati gba ọja pẹlu ikore ti 97.7%.

Ohun elo akọkọ

Lilo akọkọ ti p-chloro-o-aminophenol jẹ bi agbedemeji dai, fun igbaradi ti acid mordant RH, violet eka acid 5RN ati awọn awọ ifaseyin, ati bẹbẹ lọ, ati tun fun igbaradi ti ohun elo aise chlorzoxazone.

Iṣakojọpọ, Ibi ipamọ ati Gbigbe

O jẹ kẹmika ti o lewu, ati pe o wa ninu awọn ilu irin 25kg, ati pe ile-itaja naa jẹ afẹfẹ, iwọn otutu kekere ati gbẹ, ati aabo lati oorun taara.Jeki kuro lati awọn orisun ooru ina, ati tọju ati gbe lọ lọtọ lati acids, oxidants, awọn afikun ounjẹ, ati awọn oxidants.


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