asia_oju-iwe

ọja

3-Bromo-2-chlorobenzoic acid (CAS# 56961-27-4)

Ohun-ini Kemikali:

Fọọmu Molecular C7H4BrClO2
Molar Mass 235.46
iwuwo 1.809±0.06 g/cm3 (20 ºC 760 Torr)
Ojuami Iyo 168-169 ℃
Ojuami Boling 336.3 ± 27.0 °C (Asọtẹlẹ)
Oju filaṣi 157.2°C
Vapor Presure 4.44E-05mmHg ni 25°C
Ifarahan Crystalline lulú
pKa 2.50± 0.25 (Asọtẹlẹ)
Ibi ipamọ Ipo Ti di ni gbigbẹ, Iwọn otutu yara
Atọka Refractive 1.621

Alaye ọja

ọja Tags

 

Ọrọ Iṣaaju

3-bromo-2-chlorobenzoic acid, kemikali agbekalẹ C7H4BrClO2, jẹ ẹya Organic yellow.

 

Iseda:

3-bromo-2-chlorobenzoic acid jẹ funfun to bia ofeefee crystalline ri to ni imurasilẹ tiotuka ninu Organic olomi bi ethanol ati dichloromethane ni yara otutu. O ni ipata ti o lagbara ati õrùn asan. Labẹ itanna ti ina, o le faragba photolysis, nitorina o nilo lati wa ni ipamọ ninu okunkun.

 

Lo:

3-bromo-2-chorobenzoic acid ni a lo nigbagbogbo bi ohun elo ninu iṣelọpọ Organic ati pe o le ṣee lo bi agbedemeji lati mura awọn agbo ogun Organic miiran. O le ṣee lo lati ṣajọpọ awọn agbo ogun gẹgẹbi awọn oogun, awọn ipakokoropaeku, awọn awọ ati awọn polima.

 

Ọna Igbaradi:

A le gba 3-bromo-2-chlorobenzoic acid nipasẹ chlorination ti 2-bromo-3-chlorobenzoic acid. Ọna igbaradi kan pato nilo awọn igbesẹ bii iṣesi chlorination, isọdi mimọ crystallization ati sisẹ.

 

Alaye Abo:

3-bromo-2-chorobenzoic acid ni awọn majele ti o yẹ ki o yago fun olubasọrọ pẹlu awọ ara, oju ati atẹgun atẹgun. Wọ awọn ibọwọ aabo, awọn gilaasi ati awọn iboju iparada lakoko mimu. Ṣiṣẹ ni agbegbe pipade ati atẹgun ki o yago fun mimi awọn eefin rẹ. Lakoko ibi ipamọ ati gbigbe, o yẹ ki o ni aabo lati ọrinrin ati ifihan si oorun. Ti o ba ti splashed sinu awọn oju tabi ara, yẹ ki o lẹsẹkẹsẹ fi omi ṣan pẹlu opolopo ti omi, ati ti akoko egbogi itọju.


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