2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate CAS 2494-89-5 powder

3,3',4,4'-Biphenyltetracarboxylic dianhydride powder

2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate CAS 2494-89-5

CAS:2494-89-5
Molecular Formula:C8H11NO6S2
Molecular Weight:281.31
EINECS:219-669-7

Synonyms:2-[(p-aminophenyl)sulphonyl]ethyl hydrogensulphate; VinylSulfoneParaBase;4-AMINOPHENYLSULFONYL-BETA-HYDROXYETHYL SULFATE ESTER; VINYLSULPHONEESTER-PARABASE; 4-((2-sulfatoethyl)sulfonyl)aniline; 4-AMINOPHENYLSULFATOETHYLSULFONE

What is 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate CAS 2494-89-5？

White crystals of 2- [(4-Aminophenyl) sulfide] ethyl hydrogen sulfide. Soluble in water, insoluble in ethanol, ether, and benzene. Can dissolve in alkaline (sodium hydroxide, sodium carbonate) solutions.

Specification

Item	Specification
pKa	-3.88±0.18(Predicted)
Density	1.608±0.06 g/cm3(Predicted)
MF	C8H11NO6S2
MW	281.31
EINECS	219-669-7

Application

2- [(4-Aminophenyl) sulfide] ethyl hydrogen sulfate is one of the important intermediates of reactive dyes, used for the synthesis of EF, KN, M/KM, ME and other ethylene sulfone based reactive dyes. The production proportion of reactive dyes containing vinyl sulfone groups has been significantly increasing year by year, and has now developed into the largest class of reactive dyes in terms of production and research, occupying a very important position in the field of reactive dye production and research.