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Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen

Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen Structure
Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen structure
CAS No.
6370-16-7
Chemical Name:
Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen
Synonyms
Acid Black 43;C.I.Acid Black 43:C.I.15691;Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen
CBNumber:
CB73246561
Molecular Formula:
C32H17CrN6NaO14S2-
Molecular Weight:
848.62
MDL Number:
MOL File:
6370-16-7.mol
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Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen Chemical Properties,Uses,Production

Preparation

3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazo, and Naphthalen-2-ol coupling, and then with aqueous acid chromium heating together, and in 100 ℃ keep 3 ~ 5 hours, make all of its formation chromium complex (1 to 2 Moore single atoms chromium azo dyes).

Properties and Applications

red light black. Soluble in water for black purple. The strong sulfuric acid for green light black; After diluted for purple brown precipitation. In water solution to join hydrochloric acid is palm orange; With strong sodium hydroxide solution for wine red to deep red wine.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 7-8 3-4 3-4 4-5 3 4-5

Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen Preparation Products And Raw materials

Raw materials

2-Amino-6-nitro-1-phenol-4-sulfonic acid 2-Naphthol

Preparation Products

6370-16-7(Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen)Related Search:

ACID BLACK 60 ACID BLACK 48 Acid Black 5 1-[4H]-Naphthalenone, 5-hydroxy-4-imino-8-(phenylamino)-, sulfonated ACID BLACK 58
ACID BLACK 52 Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium Chromate(2-), hydroxy[3-(hydroxy-κO)-4-[[1-(hydroxy-κO)-8-sulfo-2-naphthalenyl]azo-κN1]-7-nitro-1-naphthalenesulfonato(4-)]-, disodium, (T-4)- SOLVENT BLACK 34

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Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen C.I.Acid Black 43:C.I.15691 Acid Black 43 6370-16-7