... in manufacturing of organic pigments. Product Name Naphthol AS CAS NO.92-77-3 Purity(as dry) 99% min Product NameNaphthol ASOther nameC ... yellow homogeneous powderPurity,% ≥99.02:3Acid,% ≤ 0.15Intial M.P.as dry,oC ≥247.0Alkali insoluble matter,% ≤ 0.1Packing 25kg net ... ,viscous textile and used in manufacturing of organic pigments. NAPTHOL AS