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HomeProduct name list5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt

5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt

  • CAS NO.:6408-37-3
  • Empirical Formula: C13H9ClN3NaO5
  • Molecular Weight: 345.67
5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt Structural

What is 5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt?

Preparation

2-Chloro-4-nitrobenzenamine diazotization, and 2-Hydroxybenzoic acid?coupling.

Properties and Applications

red orange. Soluble in water and Etanol for yellow. In concentrated sulfuric acid for golden orange, dilution after light golden brown. Dye aqueous solution to join concentrated hydrochloric acid for green yellow; Join concentrated Sodium hydroxide solution for red wine.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 3 4-5 4 3 4-5 4 4

Safety information for 5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt

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