Direct Blue 96

CAS No.
Chemical Name:
Direct Blue 96
Synonyms
Direct Blue 96;C.I.Direct Blue 96:C.I.21620
CBNumber:
CB39702937
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file

Direct Blue 96 Chemical Properties,Uses,Production

Preparation

2-Amino-5-nitrobenzenesulfonic acid diazo, in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid acid matches, will the nitro reduction, again diazo, in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid acid coupling

Properties and Applications

green light blue. Soluble in water for blue, not soluble in alcohol. The strong sulfuric acid as dark blue in green, diluted red for purple, have precipitation; In nitric acid for dark red. The dye solution to join strong hydrochloric acid has the purple precipitation; Add sodium hydroxide solution for red light purple.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 4 5 2 2-3

Direct Blue 96 Preparation Products And Raw materials

Direct Blue 96 C.I.Direct Blue 96:C.I.21620