The chemical substance under consideration is Dimethyl Sulphoxide (DMSO), a member of the Sulphoxides and sulphones group with a Molecular Weight of 78.14 g/mol. This compound, identified by the CAS Number 67-68-5, is a reference substance for Gas Chromatography (GC). It is known chemically as methylsulfinylmethane, with the molecular formula C2H6OS. The InChI and InChIKey for this substance are IAZDPXIOMUYVGZ-UHFFFAOYSA-N and InChI=1S/C2H6OS/c1-4(2)3/h1-2H3 respectively. The SMILES notation for Dimethyl Sulphoxide is CS(=O)C. This substance has a Boiling Point of 372°F at 760 mmHg (NTP,

• CAS Number: 67-68-5
• Molecular Formula: C2H6OS
• Molecular Weight: 78.14
• Exact Mass: 78.01393598
• Boiling Point: 372 °F at 760 mmHg (NTP, 1992)
• Melting Point: 65.3 °F (NTP, 1992)
• Vapour Density: 2.71 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Warning
• Hazard Statements:
• H315 (28.4%): Causes skin irritation [Warning Skin corrosion/irritation]
• H227: Combustible liquid [Warning Flammable liquids]