4,4′-Diamino Diphenyl Sulphone CAS NO 80-08-0

An antibacterial used in the treatment of dermatitis herpetiformis. Stable. Combustible. Incompatible with strong oxidizing agents. Storage conditions: ventilated low temperature and dry, separated from food raw materials.

Production methods

Will be 4, 4 ‘- dichloro diphenyl sulfone, ketone powder, chloride and acetone and ammonia to join the autoclave, heated to stir, in 170 ~ 202 ℃ and 3 mpa pressure, 14 h reaction, and then cooled to 60 ℃, by filtration, washing, drying in the coarse product of 4, 4’ – diamino diphenyl sulfone. The crude products are refined according to the use of the product. Such as crude product can be dissolved in 10% hydrochloric acid, add active carbon decoloring, filtering, cooling below 10 ℃, with sodium carbonate solution to adjust the pH to 2 ~ 2.5, centrifuge, washed to neutral, drying for a quick finished products. The yield is above 78%.

(1) it is the raw material for nitrochlorobenzene and sulfonate

(2) to feed on nitrochlorobenzene…

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1.Product Name:4,4′-Diamino Diphenyl Sulphone

2.CAS NO:   80-08-0
3.Application: Material for polysulfone amide and other polymers
4.Sample: With Free
5.Specification: 

  Product Application

SHANDONG ZHI SHANG CHEMICAL CO.LTD

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ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals enterprise combined into  research and development, production and sales . The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry . The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

[Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

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