Naphthol AS

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Product Name: Naphthol AS
Chemical Name: 
Synonyms: 
NAPTHOL AS; NAPHTHOL AS(TM); NAPHTHOL AS; TEREPHTHALBIS(O-HYDROXYANILIDE); AZOIC COUPLING COMPONENT 2; azoic coupling component 4; CI 37505;c.i. 37560
CAS No: 92-77-3
MF: C17H13NO2
MW: 263.29
Category:
Naphthol Dyes
Structure:

Descriptions:

Light yellow crystals. Soluble nitrobenzene, slightly soluble in ethanol, do not dissolve in water and soda solution. Soluble in caustic soda solution was yellow.

Use:

Naphthol AS is mainly used in cotton dyeing primer, but also for vinylon, viscose fiber, silk, diacetate fiber dyeing and cotton printing of the primer. Often with the big red-based G with large red; with red-based GBC with purple color; with orange-based GC with yellow orange; with blue salt VB with blue, etc., is one of the most important novolac . Naphthol AS is also used in the manufacture of fast pigments, fast amine, fast sulfone and organic pigments.

Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package: 25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.

Specifications:

Appearance Light yellow powder
Content 100%
Moisture ≤0.1%
Insoluble ≤0.1%
Melting point 246-248 °C
 Application  Color base