... , surface treatment etc. Sodium SulfateSynonyms: Disodium sulfate; sodium sulfate anhydrous; sulfuric acid, disodium salt; sodium sulfate; Speed-dry, sodium sulphate anhydrousMolecular formula: NA2SO4CAS NO.: 7757-82-6EINECS NO.: 231 ... .iron(Fe) , %:0.002 MAX.moisture , %:0.20 MAX.Whiteness, %:82 MIN.Packing: in 50KGs PP bag/1000KGs PP bag. Sodium Sulfate