Basic information Safety Supplier Related

Copper, diazotized 2-methoxy-4-nitrobenzenamine-4-[(8-hydroxy-6-sulfo-2-naphthalenyl)amino]benzoic acid coupling products complexes

Basic information Safety Supplier Related

Copper, diazotized 2-methoxy-4-nitrobenzenamine-4-[(8-hydroxy-6-sulfo-2-naphthalenyl)amino]benzoic acid coupling products complexes Basic information

Product Name:
Copper, diazotized 2-methoxy-4-nitrobenzenamine-4-[(8-hydroxy-6-sulfo-2-naphthalenyl)amino]benzoic acid coupling products complexes
Synonyms:
  • Copper, diazotized 2-methoxy-4-nitrobenzenamine-4-[(8-hydroxy-6-sulfo-2-naphthalenyl)amino]benzoic acid coupling products complexes
  • Direct black 71 (C.I. 25040)
  • Aizen Primula Grey VGLH
  • C.I.25040
  • C.I.Direct Black 71
  • Direct Lightfast Grey SM
  • Saturn Grey LVG
  • C.I.Direct Black 71:C.I.25040
CAS:
1325-32-2
MF:
Cu
MW:
63.546
EINECS:
215-391-5
Mol File:
1325-32-2.mol
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Copper, diazotized 2-methoxy-4-nitrobenzenamine-4-[(8-hydroxy-6-sulfo-2-naphthalenyl)amino]benzoic acid coupling products complexes Usage And Synthesis

Preparation

2-Methoxy-4-nitrobenzenamine diazo, and 4-(8-Hydroxy-6-sulfonaphthalen-2-ylamino)benzoic acid coupling, then use glucose and sodium hydroxide reduction, reoccupy ammonia containing copper sulfate solution of processing.

Properties and Applications

blue ash. Soluble in water for dark to gray, not soluble in alcohol. In the dark for the strong sulfuric acid, diluted Gray light purple for a precipitation. Dye with strong hydrochloric acid solution for violet black, precipitation; Add thick sodium hydroxide solution as dark blue, precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 5 6 2-3 2-3
AATCC 3 4 6 2-3 4

Copper, diazotized 2-methoxy-4-nitrobenzenamine-4-[(8-hydroxy-6-sulfo-2-naphthalenyl)amino]benzoic acid coupling products complexes Supplier