12731-63-4

Basic information

• Product Name: Reactive Black 31
• Synonyms: Reactive Black 31;Britasol Black N;C.I.Reaction Black 31;Dinazol Black RL;Indofix Black VRI;Navictive Black RL;Reaction Black RL;Reactofix Supra Black HRL
• CAS NO: 12731-63-4
• Molecular Formula: C29H20N6O17S4.4Na
• Molecular Weight: 0
• Mol File: 12731-63-4.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: Reactive Black 31(CAS DataBase Reference)
• NIST Chemistry Reference: Reactive Black 31(12731-63-4)
• EPA Substance Registry System: Reactive Black 31(12731-63-4)

Safety Data

• Hazardous Substances Data: 12731-63-4(Hazardous Substances Data)

Usage

Description

Reactive Black 31 is a red light gray to black dye that is suitable for cotton dyeing, printing, and direct discharge printing. It has a white degree of 74.15%.

Uses

Used in Textile Industry:
Reactive Black 31 is used as a dye for cotton fabrics due to its suitability for dyeing, printing, and direct discharge printing. It provides good light fastness, oxygen bleaching, perspiration fastness, and soaping properties, making it a popular choice for textile manufacturers.
Used in Printing Industry:
Reactive Black 31 is used as a printing ink for cotton fabrics, offering good light fastness and fading resistance, which ensures the durability and quality of the printed designs.
Used in Direct Discharge Printing:
Reactive Black 31 is used as a dye in direct discharge printing, which allows for the creation of designs on cotton fabrics without the need for additional chemicals or processes. This makes it an environmentally friendly option for textile printing.

Standard

Light Fastness

Fading

Stain

ISO

7