Acid Black 69

Acid Black 69 Structure
CAS No.
Chemical Name:
Acid Black 69
Synonyms
Acid Black 69;C.I.Acid Black 69:C.I.30260
CBNumber:
CB19702625
Molecular Formula:
Molecular Weight:
0
MOL File:
Mol file

Acid Black 69 Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 2-Aminobenzenesulfonic acid diazo, in alkaline conditions and the product of the above-mentioned income coupling, and then and 3-Acetylamino-N,N-diethylaniline coupling.

Properties and Applications

black. Soluble in water for violet black. The strong sulfuric acid for navy blue; Diluted into violet. In water solution to join strong hydrochloric acid have dark purple precipitation; Add thick sodium hydroxide solution have green gray precipitation.

Acid Black 69 Preparation Products And Raw materials

Acid Black 69 C.I.Acid Black 69:C.I.30260