Naphthol AS-LC

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Product Name: Naphthol AS-LC
Chemical Name: N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-Naphthalenecarboxamide
 NAPHTOL AS-LC; NAPTHOL AS-LC; NAPHTHOL AS-LC;NAPHTHOL AS-CL; azoiccouplingcomponent23;n-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-naphthalenecarboxamid; N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-Naphthalenecarboxamide; N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-naphthamide
CAS No: 4273-92-1
MF: C19H16ClNO4
MW:  357.79
Naphthol Dyes


Light gray powder. Melting point 188-189 ° C. Insoluble in water and sodium carbonate solution, soluble in pyridine. In sulfuric acid was a yellow solution, and with green fluorescence. In sodium hydroxide solution was yellow.


Naphthol AS-LC is mainly used for the dyeing of cotton, viscose fiber, silk, nylon and polyester. It is not used for printing. It is orange-yellow brown primer. It is commonly used in yellow base GC and orange base GC color. High affinity for cotton, is the preparation of organic pigments intermediate.

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 gray powder
Content 100%
Moisture ≤0.1%
Insoluble ≤0.1%
Melting point 188-189 °C
Application  Color base

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