Molecular Structure: Single azo class
Molecular Weight: 599.57
CAS Registry Number:2150-33-6
Manufacturing Methods : 2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.
Properties and Applications: blue light pink. Soluble in water for red to product red, soluble in ethanol in red. The strong sulfuric acid to red light purple, diluted purple and red for red light precipitation. The dye solution to join strong hydrochloric acid have red light purple precipitation; Add thick sodium hydroxide solution have article red precipitate. And C.I. Direct Red 45 the same chemical structure.
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