Name: Naphthol AS

CI NO: Azoic Coupling Component 2

CAS: 92-77-3

Chemical Formula:C17H13NO2

Molecular Weight: 263.29

Appearance: Maize-Yellow/Reddish Color powder. melting point:243-244.Sensitive to air. Yellow Liquid in NaOH solution.Insol.Insoluble in water & Na2CO3 solution. Slightly soluble in  alcohol

Application: Mainly used for cotton dyeing & printing.