1328-19-4

Basic information

• Product Name: vat black 16
• Synonyms: Mikethrene Grey 3B;Nihonthrene Grey 3B;Paradone Grey 3B;Tyrian Grey I 3B;vat black 16;Vat Grey 3 B Powder;C.I. Vat black 16;Vat black 16 (C.I. 59855)
• CAS NO: 1328-19-4
• Molecular Formula: C20H9BrClNO2S
• Molecular Weight: 442.71296
• Mol File: 1328-19-4.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: vat black 16(CAS DataBase Reference)
• NIST Chemistry Reference: vat black 16(1328-19-4)
• EPA Substance Registry System: vat black 16(1328-19-4)

Safety Data

• Hazardous Substances Data: 1328-19-4(Hazardous Substances Data)

Usage

Description

Vat Black 16 is a blue light grey black powder with a metallic luster. It is insoluble in water and xylene, slightly soluble in pyridine for blue, brown light red fluorescence. In concentrated sulfuric acid, it turns dark purple. Alkaline reduction leuco results in red light blue, while acid reduction leuco results in red light brown.

Uses

Used in Textile Industry:
Vat Black 16 is used as a dye for cotton, vinylon, and viscose fiber and fabric dyeing and printing. It is also used for dark gray discharge printing.
Standard:
Vat Black 16 has the following standards:
Ironing Fastness: 3-4
Chlorine bleach: 4
Light Fastness: 6-7
Mercerized: 3
Oxygen bleach: 4
Soaping: 4
Fading: 4
Stain: 4

Preparation

Dinaphtho[1,2,3-cd:3′,2′,1′-lm]perylene-5,10-dione in concentrated sulfuric acid with hydroxylamine processing.

Standard

Ironing Fastness

Fading

Stain

ISO

3-4