C.I. Direct Black 19
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- Category :
Dyestuffs and Pigments/Direct Dyes
- CAS NO : 6428-31-5
- EC NO : 229-208-1
- Molecular Formula : C34H27N13Na2S2O7
- Main Specifications :
- 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:
If you are sourcing C.I. Direct Black 19 from China ,just feel free to inquire
Contact us
Company： |
ER CHEM |
E-mail： |
chem@netsun.com |
Address： |
ROOM 802, NO.1 HUAJING MANSION LAODONG ROAD (W.), CHANGZHOU, JIANGSU, CHINA |
Zip Code： |
224300 |
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