Chemical name: dimethyl sulfoxide CAS accession number: 67-68-5 Product specifications: Appearance：colorless transparent liquid Chemical formula： C2H6OS Molecular weight： 78.12 Density  g/cm3 ：1.1 Melting point   ℃ ：18.4-19.0 Boiling point  ℃ ：189 Refractive index (at 20 ℃)： 1.4785 Moisture %： 0.03 Acid value（mg KOH/g）： 0.01 Crystallization point  ℃ ：18.3 ◆Nature:This product is a highly polar organic solvent, which can be mixed with water in any proportion, and can dissolve general organic solvents except petroleum ether.◆Application:extraction solvent for separation of alkanes and aromatic hydrocarbons for extraction of aromatic hydrocarbons and butadiene;As a processing solvent and spinning solvent in acrylonitrile polymerization, as a polyurethane synthesis and spinning solvent, as a synthetic solvent for polyamide, chlorofluoroaniline, polyimide and polysulfone resin;It is often added to the drug as an active component of analgesic drugs, and can also be used as a capacitive medium, antifreeze, brake oil, rare metal extractant, etc.◆Storage method:This product should be sealed in a cool…