Nomenclature
CAS number: 67-71-0
Sulfonylbismethane; DMSO
2; methyl sulfone; methylsulfonylmethane.
C
2H
6O
2S; mol wt 94.13.
C 25.52%, H 6.42%, O 33.99%, S 34.06%.
CH
3SO
2CH
3.
Description and 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.Use
High temp solvent for many inorganic and organic
substances.