Vinyl Sulphone Ester

Product name: Vinyl Sulphone EsterViniyl Sulphone Ester
Chemical name: Vinyl Sulfone Ester;Para base ester.
Synonyms: V S para base ester; Vinyl sulphone ester of aniline
CAS: 2494-89-5
MW: 281.31
MF: C8H11NO6S2
Use: It is mainly used as intermediate of reactive dyes.
Package: 25kg per bag
Origin: Made In China


Vinyl Sulphone Ester also known as para base ester, is an organic substance with chemical formula C8H11O6NS2 and white crystal. Soluble in water, insoluble in ethanol, ether and benzene. It can be dissolved in alkali (sodium hydroxide, sodium carbonate) solution. para base ester is an important intermediate of reactive dyes. It is used to synthesize EF type, KN type, M/KM type, ME type reactive dyes containing vinyl sulfone group.

The production of para ester is now mainly concentrated in several large enterprises. It is mainly distributed in China’s Henan Province, Hebei Province and Hubei Province. As a result, the supply of large enterprises will become the most important factor affecting the price of para base ester.