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Chromate,bis[4-[[3-[(5-chloro-2-hydroxyphenyl)azo]-2,4-dihydroxyphenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato]-,disodium hydrogen

Basic information Safety Supplier Related

Chromate,bis[4-[[3-[(5-chloro-2-hydroxyphenyl)azo]-2,4-dihydroxyphenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato]-,disodium hydrogen Basic information

Product Name:
Chromate,bis[4-[[3-[(5-chloro-2-hydroxyphenyl)azo]-2,4-dihydroxyphenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato]-,disodium hydrogen
Synonyms:
  • Chromate, bis[4-[[3-[(5-chloro-2-hydroxyphenyl)azo]-2,4-dihydroxyphenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato]-, disodium hydrogen
  • Chromate,bis[4-[[3-[(5-chloro-2-hydroxyphenyl)azo]-2,4-dihydroxyphenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato]-,disodium hydrogen
  • Acid Black 82
  • C.I.Acid Black 82:C.I.20265
CAS:
6408-06-6
MW:
0
Mol File:
Mol File
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Chromate,bis[4-[[3-[(5-chloro-2-hydroxyphenyl)azo]-2,4-dihydroxyphenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato]-,disodium hydrogen Usage And Synthesis

Preparation

4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazo, in alkaline conditions Coupled with resorcinol, 2-Amino-4-chlorophenol diazo, in alkaline conditions and formation of single accidentally coupled nitrogen compounds, then with formic acid chromium common heating, in 100 ℃ to keep four hours, make its formed chromium complex.

Properties and Applications

black.

Chromate,bis[4-[[3-[(5-chloro-2-hydroxyphenyl)azo]-2,4-dihydroxyphenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato]-,disodium hydrogenSupplier