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HomeProduct name listsodium 3-[(2,4-diaminophenyl)azo]-4-hydroxybenzenesulphonate

sodium 3-[(2,4-diaminophenyl)azo]-4-hydroxybenzenesulphonate

  • CAS NO.:6054-80-4
  • Empirical Formula: C12H11N4NaO4S
  • Molecular Weight: 330.29491
  • EINECS: 2279715
sodium 3-[(2,4-diaminophenyl)azo]-4-hydroxybenzenesulphonate  Structural

What is sodium 3-[(2,4-diaminophenyl)azo]-4-hydroxybenzenesulphonate ?

Preparation

3-Amino-4-hydroxybenzenesulfonic acid diazotization, and Benzene-1,3-diamine coupling.

Properties and Applications

dark red light brown. Soluble in water for red light yellow, slightly soluble in ethanol, Acetone and Cellosolve. In concentrated sulfuric acid for brown light orange, dilution after orange; In concentrated nitric acid for red, then become yellow brown. Dye aqueous solution to join concentrated hydrochloric acid for orange; With strong caustic of golden orange.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 4-5 5 3-4 2 5 4-5 5
AATCC 5 6-7 3-4 4 4 5

Safety information for sodium 3-[(2,4-diaminophenyl)azo]-4-hydroxybenzenesulphonate

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