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Details for China DIRECT BLACK 19

DIRECT BLACK 19 6428-31-5

Category :

Dyestuffs and Pigments/Direct Dyes

DIRECT BLACK 19
CAS NO : 6428-31-5
EC NO : 229-208-1
MF : C34H27N13Na2S2O7
MW : 839.77
Packing : 25kg bag
Uses : leather,cotton
Synonyms : C.I. 35255;C.I. Direct Black 19;C.I. Direct Black 19 (VAN);C.I. Direct Black 19, disodium salt;Direct Fast Black G;C.I.Direct Black 19;disodium (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate;(3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid;
Molecular Structure : DIRECT BLACK 19 6428-31-5