Direct Black 19

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Industry Category:	Chemicals/Dyes/Organic Dyes
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CAS NO:	6428-31-5
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Acid Black ATT

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CAS NO:97-85-8

EC NO:202-612-5

Molecular Formula:C₈H₁₆O₂

Molecular Weight:144.2114

Synonyms:;isobutyl-isobutyrate;2-methylpropyl 2-methylpropanoate;IBIB;

Molecular Structure:

CAS NO:6428-31-5

EC NO:229-208-1

Molecular Formula:C₃₄H₂₇N₁₃Na₂S₂O₇

Molecular Weight: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: