Chromate(3-), bis[3-[[5-(1,1-dimethylethyl)-2-(hydroxy-κO)phenyl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]-, dipotassium hydrogen

CAS No.
6459-64-9
Chemical Name:
Chromate(3-), bis[3-[[5-(1,1-dimethylethyl)-2-(hydroxy-κO)phenyl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]-, dipotassium hydrogen
Synonyms
Acid Brown 42;C.I.Acid Brown 42:C.I.14251;Chromate(3-), bis[3-[[5-(1,1-dimethylethyl)-2-(hydroxy-κO)phenyl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]-, dipotassium hydrogen
CBNumber:
CB64787482
Molecular Formula:
C32H29CrKN6O14S2-
Molecular Weight:
876.83
MDL Number:
MOL File:
6459-64-9.mol

Chromate(3-), bis[3-[[5-(1,1-dimethylethyl)-2-(hydroxy-κO)phenyl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]-, dipotassium hydrogen Chemical Properties,Uses,Production

Preparation

3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazo, potassium hydroxide in the presence of and of 4-Tert-butylphenol?coupling, then use formic acid chromium processing, make its formed chromium complex

Properties and Applications

red light brown. Soluble in water for brown, soluble in ethanol, slightly soluble in soluble fiber element. The strong sulfuric acid for yellow brown, red brown after diluted; In nitric acid partly dissolved, for red brown; In 10% of sulfuric acid partly dissolved for red brown; In 10% of sodium hydroxide solution in a part of the solution, for red brown.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6 4 3 4 2 3-4
AATCC 6-7 3 3 5 3

Chromate(3-), bis[3-[[5-(1,1-dimethylethyl)-2-(hydroxy-κO)phenyl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]-, dipotassium hydrogen Preparation Products And Raw materials

Raw materials

Preparation Products

Chromate(3-), bis[3-[[5-(1,1-dimethylethyl)-2-(hydroxy-κO)phenyl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]-, dipotassium hydrogen Acid Brown 42 C.I.Acid Brown 42:C.I.14251 6459-64-9