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

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4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid Suppliers list
Company Name: Shaanxi DIDU pharmaceutical and Chemical Co., Ltd  
Tel: 15229059051
Email: 1027@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
Company Name: HONEST JOY HOLDINGS LIMITED  
Tel: +86-755-26404303
Email: sales@honestjoy.cn
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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
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Mol File:91-34-9.mol
4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid Structure
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 SystemC.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
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