1-(Phenylazo)-4-naphthol 1-Naphthalenol, 4-(phenylazo)- 1-Naphthol, 4-(phenylazo)- 3651-02-3 4-(Phenylazo)-1-naphthol C.I. 12000 C.I. Solvent Brown 4 Hexatype Brown A NSC28487 Ohio Brown AA Organol Brown N