2-Naphthalenecarboxylic acid, 4-((5-chloro-4-methyl-2-sulfophenyl)azo)-1-hydroxy-, strontium salt (1:1) 4-((5-Chloro-4-methyl-2-sulfophenyl)azo)-1-hydroxy2-nephthalenecarboxylic acid, strontium salt (1:1) 80822-73-7 EINECS 279-571-5 Strontium 4-((5-chloro-4-methyl-2-sulphonatophenyl)azo)-1-hydroxy-2-naphthoate (1:1)