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Direct Black 19

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Direct Black 19 / CAS : 6428-31-5

Appearance BLACK POWDER UN 0.0
HS 3204140000 DG Class 0.0
Synonyms Black G; Sumilight Black G; Kayarus Black G; Vicorect Black Fb.; Condires Black An; Benzo Fast Black G; Atul Direct Black Vg; Direct Black RN; Disodium 4-Amino-3,6-Bis[[4-[(2,4-Diaminophenyl)Azo]Phenyl]Azo]-5-Hydroxynaphthalene-2,7-Disulphonate
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Properties

Summary

Formula
C34H27N13Na2O7S2
Molecular Mass
839.77100
Exact Mass
839.13900
PSA
380.37000
Logp
12.99380
IUPAC
disodium;4-amino-3,6-bis[[4-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-hydroxynaphthalene-2,7-disulfonate
SMILES
C1=CC(=CC=C1N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C4=C(C(=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O.[Na+].[Na+]

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Direct Dyes

Chemical and Physical Properties

Density
1.727g/cm3
Appearance
BLACK POWDER

Export information

HS Code
3204140000
Export Rebate
0%
UN No.
0.0
DG-Class
0.0
Risk Code
R36/37/38
Safety Label
Xi

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