4-Hydroxybenzenesulfonic acid, monosodium salt 790240-50-5 825-90-1 Benzenesulfonic acid, 4-hydroxy-, monosodium salt Benzenesulfonic acid, p-hydroxy-, monosodium salt Benzenesulfonic acid, p-hydroxy-, monosodium salt (8CI) EINECS 212-550-0 NSC 147483 Sodium 4-hydroxybenzenesulphonate Sodium p-hydroxybenzenesulfonate Sodium p-hydroxyphenylsulfonate p-Hydroxybenzenesulfonic acid, monosodium salt