CAS:1120-71-4 Trade name: 1,3-propane sultone Other name: PROPANE SULTONE 1,2-oxathrolane2,2-dioxide 1-Propanesulfonic acid, 3-hydroxy-, gamma-sultone 1-propanesulfonicacid-3-hydroxy-gamma-sultone 3-hydroxy-1-propanesulfonicacidw-sultone Mw: 122.14 Molecular formula: C3H6O3S Assay :99.9% Water-solubility: insoluble in water Mp:30-33 °C(lit.) Bp:180 °C30 mm Hg(lit.) Density:1.392 g/mL at 25 °C(lit.) Appearance: Colorless or yellowish transparent liquid(?¥31??)Colorless and transparent crystalline.