disodium 3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate

CAS NO: 8003-62-1
Molecular Formula: C32H25N9O7S2.2Na
Molecular Weight: 0

Synonyms

Direct Black FF

Direct Black L-N

C.I. Direct black 9

Atul Direct Black FR

Dycosdirect Black FF.

Dinamine Fast Black FR

Direct black 9 (C.I. 31565

disodium 3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate

3-[[4-[[4-amino-6(or7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxy-2-naphthalenesulfonic aci disodium salt

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