Direct Black 19 6428-31-5

Category :	Dyestuffs and Pigments
CAS NO :	6428-31-5
EC NO :	229-208-1
MF :	C₃₄H₂₇N₁₃Na₂S₂O₇
MW :	839.77
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;Direct Black G;
Molecular Structure :

Direct Black 19

* Is Required Please send your Enquiry here:

Subject :	*
CAS NO :
Message :	*

Please check your contact information:

Company Name :	*
Your Name :	*
Tel :
Email :	* (type:abc@chemnet.com)