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Vat Black 16

Vat Black 16 / CAS : 1328-19-4

Appearance Black powder with metallic luster. Insoluble in water and xylene, soluble in pyridine (blue with brownish red fluorescence). Dark purple in concentrated sulfuric acid. It is red purple in alkaline solution and yellow brown in acid solution. UN 0.0
HS 0.0 DG Class 0.0
Synonyms Mikethrene Grey 3B; Nihonthrene Grey 3B; Paradone Grey 3B; Tyrian Grey I 3B; Dycosthren Grey 3B; Navinon Black Sna; Navinon Grey 3B
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Properties

Summary

Formula
C20H9BrClNO2S
Molecular Mass
442.71296
Exact Mass
0
PSA
0
Logp
0
IUPAC
5-bromo-2-(9-chloro-3-hydroxybenzo[g][1]benzothiol-2-yl)indol-3-one
SMILES
C1=CC2=C(C(=C1)Cl)C3=C(C=C2)C(=C(S3)C4=NC5=C(C4=O)C=C(C=C5)Br)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Vat Dyes

Chemical and Physical Properties

Appearance
Black powder with metallic luster. Insoluble in water and xylene, soluble in pyridine (blue with brownish red fluorescence). Dark purple in concentrated sulfuric acid. It is red purple in alkaline solution and yellow brown in acid solution.

Export information

HS Code
0.0
UN No.
0.0
DG-Class
0.0

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