Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium

CAS No.
6408-19-1
Chemical Name:
Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium
Synonyms
Acid Black 51;C.I.Acid Black 51:C.I.16711;Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium
CBNumber:
CB34777837
Molecular Formula:
C16H8ClCrN2NaO7S
Molecular Weight:
482.74
MDL Number:
MOL File:
6408-19-1.mol

Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium Chemical Properties,Uses,Production

Preparation

2-Amino-4-chlorophenol diazo, and 4,6-Dihydroxynaphthalene-2-sulfonic acid coupling, and then will product with aqueous acid chromium common heating, in 115 ℃ keep 4.5 hours, make its formed chromium complex.

Properties and Applications

black. Used for wool, polyamide fiber dyeing and printing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 4 5 3 1-2 5 5

Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium Preparation Products And Raw materials

Raw materials

Preparation Products

Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium Acid Black 51 C.I.Acid Black 51:C.I.16711 6408-19-1