10039-56-2 14529-89-6 15883-32-6 174571-46-1 7681-53-0 EINECS 231-669-9 HSDB 6032 Hypophosphorous acid monosodium salt Monosodium hypophosphite Natriumhypophosphit [German] Phosphinic acid monosodium salt Phosphinic acid, sodium salt SODIUM HYPOPHOSPHITE Sodium hydrogen phosphite (NaH2PO2) Sodium hydrophosphite Sodium hypophosphite (NaH2PO2) Sodium phosphinate Sodium phosphinate (NaH2PO2)