Disodium
3,3\'-[[1,1\'-biphenyl]-4,4\'-diylbis(azo)]bis
(4-aminonaphthalene-1-sulphonate)
(C.I. Direct Red 28)
209-358-4
573-58-0
致癌性
148
直接黑38
Disodium
4-amino-3-[[4\'-[(2,4-diaminophenyl)azo
][1,1\'-biphenyl]-4-yl]azo]
-5-hydroxy-6-(phenylazo)naphthalene-
2,7-disulphonate (C.I. Direct Black 38)