N-(5-Chloro-2,4-dimethoxyphenyl)-4-[[5-[(diethylamino)sulphonyl]-2-methoxyphenyl]azo]-3-hydroxynaphthalene-2-carboxamide (Pigment Red 5; CI 12490) (CAS 6410-41-9; EINECS 229-107-2) and its salts when used as a substance in hair dye products
N-(5-chloro-2,4-diméthoxyphényl)-4-[[5-[(diéthylamino)sulfonyl]-2-méthoxyphényl]azo]-3-hydroxynaphtalène-2-carboxamide (Pigment Red 5; CI 12490) (CAS 6410-41-9; EINECS 229-107-2) et ses sels, en cas d'utilisation comme substance dans les teintures capillaires