Naphthol AS-OL

Home > Naphthol AS-OL

Product Name:?Naphthol AS-OL
Chemical Name:?2-Hydroxy-3-Naphthol-O-Aisididie
3-HYDROXY-N-(2-METHOXYPHENYL)-2-NAPHTHALENE CARBOXAMIDE; 3-HYDROXY-N-(2-METHOXYPHENYL)-2-NAPHTHAMIDE; 3-HYDROXY-2-NAPHTHOYL-O-ANISIDIDE; 2-HYDROXY-3-NAPHTHOYL-O-ANISIDIDE;1-(2′,3′-Hydroxynaphthoylamino)-2-methoxybenzene;2-(3-Hydroxy-2-naphthamido)anisole;2′-Methoxy-2-hydroxy-3-naphthanilide.
CAS No:?135-62-6
MW: 293.32
Naphthol Dyes


Brown powder. Soluble in ethanol. Soluble in caustic soda solution was fluorescent yellow. Insoluble in water, slightly soluble in soda solution.


Naphthol AS-OL is mainly used for cotton dyeing, performance and Naphthol AS approximation, can be mixed use, can improve the fastness of dyeing. Also used in vinylon, viscose fiber, silk, nylon, diacetate fiber staining. For cotton printing base, with different color base with orange, red, sauce, blue variety of colors. Also used in the manufacture of fast pigments, amine fast amine, fast sulfon and lake 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 Brown powder
Content 100%
Moisture ≤0.1%
Insoluble ≤0.1%
Melting point 161-164?°C
?Application ?Color base

Welcome your inquiry