130-85-8 2-Naphthalenecarboxylic acid, 4,4'-methylenebis(3-hydroxy-, disodium salt 2-Naphthoic acid, 4,4'-methylenebis(3-hydroxy-, disodium salt (8CI) 6640-22-8 Disodium 4,4'-methylenebis(3-hydroxy-2-naphthoate) Disodium methylenebis(2-hydroxy-3-naphthoate) Disodium pamoate EINECS 229-653-1 NSC 49174 Sodium pamoate