Naphthol AS CAS 92-77-3
Naphthol AS (CAS 92-77-3) is a lght yellow crystals, soluble nitrobenzene, slightly soluble in ethanol, insoluble in water and soda solution, soluble in caustic soda solution was yellow. It is mainly used in the production of organic pigments and for cotton fiber, viscose fiber and part of the synthetic fiber dyeing, and printing.