C.I. Acid black 70

CAS No.
8005-88-7
Chemical Name:
C.I. Acid black 70
Synonyms
Acid Black 70;C.I. Acid black 70;C.I.Acid Black 70:C.I.30355
CBNumber:
CB92495506
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file

C.I. Acid black 70 Properties

EPA Substance Registry System C.I. Acid Black 70 (8005-88-7)

C.I. Acid black 70 Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine (70%) and 4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 2-Aminobenzenesulfonic acid diazo, in alkaline conditions and the above the products of coupling, and then and Quinoline-2,4-diol coupling.

Properties and Applications

green and black. Soluble in water for violet and grey or black. The strong sulfuric acid for navy, for violet after diluted. The dye solution to join strong hydrochloric acid purple ash brown precipitation; With strong sodium hydroxide solution have dark precipitation.

C.I. Acid black 70 Preparation Products And Raw materials

C.I. Acid black 70 Acid Black 70 C.I.Acid Black 70:C.I.30355 8005-88-7