CAS Number: 67-68-5 Chinese Name: Dimethyl sulfoxide English Name: Methyl sulfoxide Alias: Dimethyl sulfoxide (academic use); DMSO Content: 99.9% Molecular Formula: C?H?OS Molecular Weight: 78.12 EINECS Number: 200-664-3 Package: 180KG Specification (Usage): Melting Point (°C): 18.45 Flash Point (°C): 95 Boiling Point (°C): 189 Ignition Temperature (°C): 215 Relative Density (Water = 1): 1.1 Upper Explosion Limit (%): 42 Relative Vapor Density (Vapor = 1): 2.7 Lower Explosion Limit (%): 0.6 Saturated Vapor Pressure (kPa): 0.05 (20°C) Solubility: Soluble in water, ethanol, acetone, ether, chloroform, etc. Usage: Used as an analytical reagent and gas chromatography stationary phase, as well as a solvent in ultraviolet spectroscopy. Physical Properties: Density: 1.1 Melting Point: 18.4–19.0°C Boiling Point: 189°C Refractive Index: 1.477–1.48 Flash Point: 95°C Storage and Transportation: Packed in 180KG galvanized iron drums.