Pigment intermediate::Naphthol AS-BI is azo-red paint for benzimidazole-group, the content above 99%, used directly in the synthesis of organic pigments with very broad application. Naphthol AA-BI
Product name and structural formula
5-acetylacetamidobenzimidazolone
Appearance
white power
Melting point:350℃
Use:Benzimidazolone yellow system and couple ingredient of organic pigments
