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Direct Black 19

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Direct Black 19

Product Name:

Direct Black 19

Synonyms:88694

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

CAS RN.:

6428-31-5

EINECS:

229-208-1

Molecular Weight:

839.77

Molecular Formula:

C₃₄H₂₇N₁₃Na₂S₂O₇

Density:

1.727g/cm³

refractive_index:

1.817

Hazard Symbols:

Risk Codes:

Details

Safety Description:

Direct Black 19