... China 3, SGS passed Sodium Sulphate Anhydrous 99%Synonyms: Disodium sulfate; sodium sulfate anhydrous; sulfuric acid, disodium salt; sodium sulfate; Speed-dry, sodium sulphate anhydrousMolecular formula: NA2SO4CAS NO ... , inorganic salts, dyestuff,alcohol fibre,tanning,metal smelting... Specification:ITEMSTANDARDsodium sulphate (Na2SO4), %:99.0 MIN.water insolubles , %:0.05 MAX.Ca + Mg ...