10034-99-8 139939-75-6 7487-88-9 Caswell No. 534 EINECS 231-298-2 EPA Pesticide Chemical Code 050503 Epsom salt Epsom salts HSDB 664 MAGNESIUM SULFATE Magnesium sulfate (1:1) Magnesium sulfate anhydrous Magnesium sulphate NSC 146179 OT-S OT-S (drying agent) Sal Angalis Sal De sedlitz Sulfuric acid magnesium salt Sulfuric acid magnesium salt (1:1) Sulfuric acid magnesium salt (VAN) Sulfuric acid, magnesium salt (1:1) Tomix OT