Product Information: CAS number 7727-21-1, EC index number 016-061-00-1, EC number 231-781-8, Hill Formula K₂O₈S₂, Molar Mass 270.33 g/mol, HS Code 2833 40 00, Physicochemical Information: Density 2.477 g/cm3, Melting Point 100 °C (descompunere), pH value 2.5 - 4.5 (27 g/l, H₂O, 25 °C), Vapor pressure <0.1 hPa (25 °C), Bulk density 1150 kg/m3, Solubility 50 g/l, flacon 250 g.