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 Dimethyl Sulfoxide Physical Properties
Dimethyl sulfoxide
 
Sigma-Aldrich Dimethyl sulfoxide
Synonym Methyl sulfoxide Beilstein Registry 506008
Molecular Formula (CH3)2SO EG/EC Number 2006643
Molecular Weight 78.13 MDL Number MFCD00002089
CAS Number 67-68-5 Vapor Pressure 0.42 mm Hg (20°C)
Density 1.100 g/mL at 25ēC Dielectric Constant 47.24 at 20ēC
Boiling Point 189ēC Dipole Moment 3.960
Melting Point 16-19 ēC UV cutoff 265 nm
Flash Point 85.0°C Refractive Index 1.479 at 20ēC
Viscosity 1.990 at 25°C Vapor Density 2.7 (vs. air)

Dimethyl sulfoxide Specification Comparison Table

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