sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate

CAS NO: 6222-55-5
Molecular Formula: C23H17N4NaO7S
Molecular Weight: 516.45845

Synonyms

C.I.17580

Acid Black 31

C.I.Acid Black 31

sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate

4-Hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)-2-naphthalenesulfonic acid sodium salt