Vat Black 16

CAS：1328-19-4

Molecular formula：C₂₀H₉BrClNO₂S

Molecular weight：442.71

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.

Synopsis: Vat black 16 is mainly used for cotton fiber dyeing and cotton printing, as well as vinylon and viscose fiber dyeing.

Structural formula：

Properties

Reduced direct black is mainly used for cotton fiber dyeing and cotton printing, as well as vinylon and viscose fiber dyeing

CAS No.

1328-19-4

Formula

C20H9BrClNO2S

Molecular Mass

442.71296

Exact Mass

PSA

Logp

IUPAC

5-bromo-2-(9-chloro-3-hydroxybenzo[g][1]benzothiol-2-yl)indol-3-one

Matter Classification

organic

Category

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.

HS Code

0.0

UN No.

0.0

DG-Class

0.0

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Vat Black 16