Naphthols Asph belongs to the category of having CAS number 92-74-0. The synonym of Naphthols Asph is Naphthols ASPH Dyes. The molecular weight of Naphthols Asph is 307.34 g/mol and the molecular formula is C19H17N03. The colour index number is 0. The physical appearance of Naphthols Asph is Creamy White Powder.