Basic information Safety Supplier Related

Direct Red 173

Basic information Safety Supplier Related

Direct Red 173 Basic information

Product Name:
Direct Red 173
Synonyms:
  • Direct Red 173
  • C.I.Direct Red 173:C.I.29290
CAS:
59537-47-2
MW:
0
Mol File:
Mol File
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Direct Red 173 Usage And Synthesis

Preparation

4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazo, and 1-(4-Aminophenyl)-3-methyl-1H-pyrazol-5(4H)-one?coupling, and then make the light gasification.

Properties and Applications

dark red. Soluble in water for red light brown, and adequate soluble in alcohol. For the strong sulfuric acid in orange, yellow for red after diluted. The dye solution to join strong sodium hydroxide solution for orange brown; Join strong hydrochloric acid is palm light orange, precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 5 6 4 4-5
AATCC 5 4 6-7 4-5 5

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