The ROTIDRY® solvent without septum, identified as Dimethyl Sulfoxide (CAS: 67-68-5), is a substance within the group of Sulphoxides and sulphones. It has a Molecular Weight of 78.14 g/mol and its scientific name is methylsulfinylmethane. This chemical requires caution due to its potential for causing skin irritation and being flammable. It boils at 372°F and melts at 65.3°F. Its Vapour Density is heavier than air, meaning it will sink when released.

• 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]