Cuprate(2-), [4-amino-5-(hydroxy-κO)-6-[[2-(hydroxy-κO)-5-nitrophenyl]azo-κN1]-1,3-naphthalenedisulfonato(4-)]-, disodium

CAS No.
6656-04-8
Chemical Name:
Cuprate(2-), [4-amino-5-(hydroxy-κO)-6-[[2-(hydroxy-κO)-5-nitrophenyl]azo-κN1]-1,3-naphthalenedisulfonato(4-)]-, disodium
Synonyms
Acid Blue 42;C.I.Acid Blue 42:C.I.17255;Cuprate(2-), [4-amino-5-(hydroxy-κO)-6-[[2-(hydroxy-κO)-5-nitrophenyl]azo-κN1]-1,3-naphthalenedisulfonato(4-)]-, disodium
CBNumber:
CB94757237
Molecular Formula:
C16H8CuN4NaO10S2-
Molecular Weight:
566.91
MDL Number:
MOL File:
6656-04-8.mol

Cuprate(2-), [4-amino-5-(hydroxy-κO)-6-[[2-(hydroxy-κO)-5-nitrophenyl]azo-κN1]-1,3-naphthalenedisulfonato(4-)]-, disodium Chemical Properties,Uses,Production

Preparation

2-Amino-4-nitrophenol diazo, and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid?coupling, then use copper sulfate processing, make its formation copper complex,

Properties and Applications

red light navy blue. Soluble in water for red light purple, hardly soluble in alcohol. The strong sulfuric acid to red light purple, diluted into product red. In water solution to join strong hydrochloric acid for ruby red; Add thick sodium hydroxide solution for purple.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6-7 3 3 2 1 2

Cuprate(2-), [4-amino-5-(hydroxy-κO)-6-[[2-(hydroxy-κO)-5-nitrophenyl]azo-κN1]-1,3-naphthalenedisulfonato(4-)]-, disodium Preparation Products And Raw materials

Cuprate(2-), [4-amino-5-(hydroxy-κO)-6-[[2-(hydroxy-κO)-5-nitrophenyl]azo-κN1]-1,3-naphthalenedisulfonato(4-)]-, disodium Acid Blue 42 C.I.Acid Blue 42:C.I.17255 6656-04-8