2-Naphthalenecarboxylic acid, 4-((4-chloro-5-methyl-2-sulfophenyl)azo)-3-hydroxy-, manganese salt 84041-69-0 EINECS 281-850-1 Manganese 4-((4-chloro-5-methyl-2-sulphonatophenyl)azo)-3-hydroxy-2-naphthoate