2-Chlorophenol (2-Chlorophenol)

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2-Chlorophenol

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o-Chlorphenol
ortho-chlorophenol
Phenol,2-chloro
chloro-2phenol
Chlorophenolate
septi-kleen
o-chloro-pheno
Phenol, 2-chloro-
2-Chlorophenol
o-monochlorophenol
2-chloro-pheno
2-Chlorphenol
O-CHLOROPHENOL
o-Cl phenol

+Expand -Stow

95-57-8

C6H5ClO

128.556

2908199090

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Nature Description

Colorless to yellow brown liquid. Melting point 9℃, boiling point ℃, ℃(1.33kPa), relative density 1.2634(20/4 ℃), refractive index 1.5524, flash point 63℃. Soluble in alcohol, ether, chloroform, glycerol and benzene, slightly soluble in water. It can volatilize with water vapor.

1.262

173-175℃

8℃

85℃

28.5G/L(20℃)

1.558-1.56

28.5G/L(20℃)

Product Applications

Used for organic synthesis.

Production method

(1) it is obtained from sodium phenolate through chlorination and acidification. Stir the mixture of sodium phenolate, water and ice, slowly add sodium hypochlorite solution below 20℃, control the temperature below 20℃, leave at room temperature overnight, add concentrated hydrochloric acid under stirring to acidify to pH 2, wash it once, and then wash it with 5 sodium carbonate solution until the pH of the solution is 4-5. After cooling, separate the oil layer, carry out atmospheric distillation, and then obtain the finished product by vacuum distillation. (2) chlorinate phenol with chlorine. The molten phenol was added to benzene under stirring, and chlorine gas was introduced at 26±2℃ until the relative density of the chlorinated liquid phase reached 0.954(23-25 ℃). After removing hydrogen chloride, the benzene is distilled out and recovered, steamed to 125℃(21.3kPa), cooled to 60℃, decompressed and fractionated, and the fraction of 75℃(2.67-3.33kPa) is collected to obtain O-chlorophenol. The chlorination reaction also produces p-chlorophenol and 2,4-dichlorophenol, which are collected as high boiling materials during vacuum distillation and can be used as by-products after separation. The yield of O-chlorophenol (above 95) is nearly 50, and the yield of p-chlorophenol (above 95) is about 25.5.

Security

Dangerous Goods Marking： N

Safety instructions： S61: avoid discharging to the environment. Refer to the specific instructions/safety data sheet.

Hazardous material category code： R20/21/22: inhalation, skin contact and accidental swallowing are harmful. R51/53: toxic to aquatic organisms, which may lead to long-term adverse effects on aquatic environment.

Dangerous goods transportation number： UN2021/2905

Storage conditions： The warehouse is ventilated cryodrying and stored separately from oxidant and food additives.

Packaging grade： III