Lithium sulfate monohydrate 99.99 Suprapur Product Information CAS number 10102-25-7 EC number 233-820-4 Hill Formula Li₂O₄S * H₂O Chemical formula Li₂SO₄ * H₂O Molar Mass 128 g/mol Applications Application Lithium sulfate monohydrate 99.99 Suprapur®. CAS 10102-25-7, EC Number 233-820-4, chemical formula Li₂SO₄ * H₂O. Physicochemical Information Density 2.060 g/cm3 Melting Point 120 °C pH value 5.0 - 7.0 (128.0 g/l, H₂O, 25 °C) Bulk density 940 kg/m3 Solubility 340 g/l flacon 50 g