cas no:135-64-8 napthol AS-SW,azoic coupling component 7 high quality,reasonable price top manufactuer for dyestuffs

Name: Naphthol AS-SW

CI NO: Azoic Coupling Component 7

CAS: 135-64-8

Chemical Formula: C21H15NO2

Molecular Weight: 313.35

Appearance: Maize-Yellow powder.

melting point:243-244°C. Stable to air.

Yellow Liquid in NaOH solution.

Insoluble in water & Na2CO3 solution, soluble in Chlorobenzene & ethanol

Application:

Mainly used for cotton yarn. Cotton fabric. Corduroy. Polyvinyl. ACETATE.silk.

Generally not used for printing Low affinity of the cotton.

Middling coupling capacity

cas no:135-64-8napthol AS-SW,azoic coupling component 7high quality,reasonable pricetop manufactuer for dyestuffs,pigments

Supply High Quality Of Azoic Dyes