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

Basic information Safety Supplier Related

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

Product Name:
Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium
Synonyms:
  • 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
CAS:
6408-19-1
MF:
C16H8ClCrN2NaO7S
MW:
482.74
EINECS:
613-443-5
Mol File:
6408-19-1.mol
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Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium Usage And Synthesis

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-, sodiumSupplier