azoic coupling component 2,napthol as cas:92-77-3 top manufacture for dyestuff,pigment high quality,reasonable price

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°C.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.

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