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Fast Blue

Fast Blue / CAS : 91-91-8

Appearance Dark green powder. UN 3077
HS 32041700 DG Class -
Synonyms Diazo Blue B; Tetrazotized-O-Dianisidine Chloride; Naphthanil Diazo Blue B Salt; Blue Bns Salt
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Properties

Summary

Formula
C14H12Cl2N4O2
Molecular Mass
339.1767
Exact Mass
0.0
PSA
74.76000
Logp
4.33996
IUPAC
4-(4-diazonio-3-methoxyphenyl)-2-methoxybenzenediazonium;dichloride
SMILES
COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]#N)OC)[N+]#N.[Cl-].[Cl-]

Attribute classification

Matter Classification
organic
Category
Auxiliary > Other Auxiliary Agent
Dyestuffs and Pigments > Dyestuff

Chemical and Physical Properties

Appearance
Dark green powder.
Acidity and Basicity
neutral

Export information

HS Code
32041700
Export Rebate
13%
UN No.
3077

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