| Title:  Dimethyl Sulfone CAS Registry Number:  67-71-0 CAS Name:  Sulfonylbismethane Additional Names:  DMSO2;  methyl sulfone;  methylsulfonylmethane Molecular Formula:  C2H6O2S Molecular Weight:  94.13 Percent Composition:  C 25.52%, H 6.42%, O 33.99%, S 34.06% Line Formula:  CH3SO2CH3 Literature References:  Has been found in primitive plants such as Equisetum arvense L., Equisetaceae and in the adrenal cortex of cattle:  Pfiffner, North, J. Biol. Chem. 134, 781 (1940).  Easily prepd by oxidation of dimethyl sulfide:  Douglas, J. Am. Chem. Soc. 68, 1072 (1946); McAllan et al., ibid. 73, 3627 (1951). Properties:  Crystals, mp 109°.  bp760 238°.  Sublimes at 13 mm and 90° to 100°.  Infrared absorption (solid) 7600-8700 nm.  Dipole moment 4.44 (vapor).  Freely sol in water, methanol, ethanol, acetone.  Sparingly sol in ether. Melting point:  mp 109° Boiling point:  bp760 238° Use:  High temp solvent for many inorganic and organic substances.  |