C.I. 12159 Plastic Red B Solvent Red 13 C.I.Solvent Red 13:C.I.12159 Solvent Red 13 ISO 9001:2015 REACH 1-[(2-Methoxy-4-nitrophenyl)azo]-2-naphthol 1-[(2-Methoxy-4-nitrophenyl)diazenyl]-2-naphthol 2-Naphthalenol, 1-[2-(2-methoxy-4-nitrophenyl)diazenyl]-