4-CHLOROBENZENESULFONIC ACID, SODIUM SALT 5138-90-9 AI3-04535 Benzenesulfonic acid, 4-chloro-, sodium salt Benzenesulfonic acid, p-chloro-, sodium salt EINECS 225-900-2 NSC 37556 Sodium 4-chlorobenzenesulfonate Sodium 4-chlorobenzenesulphonate Sodium p-chlorobenzenesulfonate Sodium para-chlorobenzosulphate p-Chlorbenzensulfonan sodny [Czech] p-Chlorobenzenesulfonic acid sodium salt p-Chlorobenzenesulfonic acid, sodium salt