4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid

4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid Suppliers list

Company Name:	Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Tel:	029-81120477 17792793610
Email:	1033@dideu.com
Products Intro:	Product Name:4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid CAS:91-34-9 Purity:98% Package:25kg

Company Name:	Anil Dye Chem
Tel:	08048974721
Email:
Products Intro:	Product Name:Direct Yellow 4 Dye CAS:91-34-9

4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid Basic information

Product Name:	4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid
Synonyms:	4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid;Direct Yellow 4 dye;2,2'-(1,2-Ethenediyl)bis[5-(4-hydroxyphenylazo)benzenesulfonic acid];4,4'-Bis(4-hydroxyphenylazo)stilbene-2,2'-disulfonic acid;4,4'-Bis(p-hydroxyphenylazo)-2,2'-stilbenedisulfonic acid;4,4'-Bis[(4-hydroxyphenyl)azo]-2,2'-stilbenedisulfonic acid;4,4''-Vinylenebis(4'-hydroxyazobenzene-3-sulfonic acid);3051-11-4 (Di-hydrochloride salt)
CAS:	91-34-9
MF:	C26H20N4O8S2
MW:	580.59
EINECS:	202-062-6
Product Categories:
Mol File:	91-34-9.mol

4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid Chemical Properties

density	1.50±0.1 g/cm3(Predicted)
pka	-1.29±0.50(Predicted)
EPA Substance Registry System	C.I. Direct Yellow 4 (91-34-9)

Safety Information

MSDS Information

4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid Usage And Synthesis

4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid Preparation Products And Raw materials

Tag:4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid(91-34-9) Related Product Information

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