Product Name: Naphthol AS
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
Category: Naphthol Dyes
Light yellow crystals. Soluble nitrobenzene, slightly soluble in ethanol, do not dissolve in water and soda solution. Soluble in caustic soda solution was yellow.
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.
|Appearance||Light yellow powder|
|Melting point||246-248 °C|