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Raw material of synthesis methylation Product Details 

Product name:4-toluenesulfonic acid methyl ester

Other name: Methyl p-toluenesul fonate

CAS 80-48-8

Uses

1, used in organic synthesis intermediate

2, used as the raw material of producing dyes product

3, Used as the raw material of synthesis methylation

Manufacture method:

It is obtained by the reaction of p-toluene sulfonyl chloride with methanol. Mix p-toluene sulfonyl chloride and methanol, slowly adding 25% sodium hydroxide solution, below 25 ?, the temperature control to PH 9, stop adding alkali, continue to stir 2 h, place for the night, to lower the reactants, the upper benzene was used to extract, extract a merger with lower after recovery of benzene, in turn, washing with water and 5% potassium carbonate solutions, after dry vacuum distillation is finished

Safety data:

Dangerous mark: C, Xn

Hazard code: 22-23-43-40-36/37/38

Dangerous goods delivery No: UN3261 8/ PG 2

 

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2, What kind of packaging do you provide?

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3, How can you make sure your product is competitive with price and quality?

For the product quality, we have been producing this product for many years, with rich experience, and with strict QC department to control the quality

For the price, we know well about the market both china and foreign countries, and we are also improve our market shares all around the world, so we will provide more competitive price for customers.