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

CAS NO: 91-34-9
Molecular Formula: C26H20N4O8S2
Molecular Weight: 580.589

Synonyms

Direct Yellow 4 dye

75508-33-7 (Di-potassium salt)

68966-53-0 (Hydrochloride salt)

3051-11-4 (Di-hydrochloride salt)

75673-23-3 (Potassium.hydrochloride salt)

79069-96-8 (Potassium.hydrochloride salt)

4,4''-Vinylenebis(4'-hydroxyazobenzene-3-sulfonic acid)

4,4'-Bis(p-hydroxyphenylazo)-2,2'-stilbenedisulfonic acid

4,4'-Bis(4-hydroxyphenylazo)stilbene-2,2'-disulfonic acid

4,4'-Bis[(4-hydroxyphenyl)azo]-2,2'-stilbenedisulfonic acid

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