Disodium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate (Pigment Red 48; CI 15865) (CAS 3564-21-4; EINECS 222-642-2) when used as a substance in hair dye products
4-[(5-chloro-4-méthyl-2-sulfonatophényl)azo]-3-hydroxy-2-naphtoate de disodium (Pigment Red 48; CI 15865) (CAS 3564-21-4; EINECS 222-642-2) en cas d'utilisation comme substance dans les teintures capillaires