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

Modify Date: 2025-09-27 15:14:46

4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid, sodium salt structure	Common Name	4,4'-bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulphonic acid, sodium salt
	CAS Number	68966-53-0	Molecular Weight	624.553
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₂₆H₁₈N₄Na₂O₈S₂	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	4122338
Synonym	More Synonyms

Molecular Formula	C₂₆H₁₈N₄Na₂O₈S₂
Molecular Weight	624.553
Exact Mass	624.036133
InChIKey	CQNXJSVLKPHNRI-OXEZCZPGSA-M
SMILES	O=S(=O)([O-])c1cc(N=Nc2ccc(O)cc2)ccc1C=Cc1ccc(N=Nc2ccc(O)cc2)cc1S(=O)(=O)O.[Na+]

MFCD00007489

EINECS 221-267-1

4122338

Brilliant yellow

Direct Yellow 4

Disodium 2,2'-(E)-ethene-1,2-diylbis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate}

Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate}

Benzenesulfonic acid, 2,2'-[(E)-1,2-ethenediyl]bis[5-[(E)-2-(4-hydroxyphenyl)diazenyl]-, sodium salt (1:2)

Names