p-Cresol (p-Cresol)

Bargaining 10-21 09:11 Update

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p-Cresol

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Phenol, 4-methyl-
1PO
p-Cresol
p-Kresol
4-Cresol
Paracresol
p-Toluol
KRESOL-PARA
FEMA 2337
4-Methylphenol

+Expand -Stow

106-44-5

C7H8O

108.138

29071200

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Product Description

危化品许可证.jpg

Nature Description

Colorless crystals cake. Melting point ℃, boiling point ℃ (℃, ℃), ℃(1.33kPa), relative density (20/4 ℃)1.0178(1.0341), refractive index 1.5312(1.5395), flash point 86.1 ℃ (closed Cup), autoignition point 559 ℃. The solubility in water reaches 2.3 at 40℃ and 5 at 100℃. Soluble in caustic solution and common organic solvents. It can volatilize with water vapor; It smells like phenol. Combustible.

1.034

202oC

32-34oC

89oC

20G/L(20oC)

Product Applications

Used in organic synthesis and as bactericide and mildew inhibitor.

Production method

1. The mother liquor after extracting m-cresol from the mixture of m-p-cresol can be re-crystallized by oxalic acid addition method. 2. Toluene and sulfuric acid are sulfonated and neutralized, and the generated N-n-octyl benzenesulfonamide is then processed by alkali fusion, acidification and distillation to obtain p-cresol finished products. In order to obtain p-Cresol with higher purity, there are two processes:(1) the p-cresol obtained after distillation is separated by crystallization;(2) the p-toluenesulfonic acid obtained after sulfonation is cooled, crystallized and filtered first, then, neutralization, alkali fusion, acidification and distillation are carried out to obtain the finished product. The sulfonated alkali fusion technology developed in China is mature, which can produce high purity p-cresol and change the process conditions. The device can also produce m-cresol, O-cresol, phenol, naphthol, etc.

Security

Dangerous Goods Marking： T

Safety instructions： S45: If you have an accident or feel uncomfortable, go to the doctor for help immediately (it is better to bring the product container label). S36/37/39: Wear suitable protective clothing, gloves and use goggles or mask.