Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen

CAS No.
6408-00-0
Chemical Name:
Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen
Synonyms
Acid Black 34;C.I.Acid Black 34:C.I.15715;Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen
CBNumber:
CB24794305
Molecular Formula:
C54H37CrN6NaO14S4-
Molecular Weight:
1197.14
MDL Number:
MOL File:
6408-00-0.mol

Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen Chemical Properties,Uses,Production

Preparation

4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol matches that, in water solution and formic acid chromium common heating, in 115 ℃ keep 2 hours, and then mixed with batches of no complexation half the dye, and sodium hydroxide move into basic. The product is about 2 to 3 Moore single atoms chromium azo dyes. Then will the nitro reduction for amino, again with 4-Methylbenzene-1-sulfonyl chloride condensation.

Properties and Applications

blue and black.

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

Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen Preparation Products And Raw materials

Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen Acid Black 34 C.I.Acid Black 34:C.I.15715 6408-00-0