Name: (CH3)2SO2; MSM; DMSO2; methyl sulfone; dimethyl sulfone; Methylsulfonylmethan;
Methylsulfonylmethane.
CHemistry: organosulfur compound; colorless solid; relatively inert chemically; occurs naturally in some primitive plants, is present in small amounts in many foods and beverages; marketed as a dietary supplement; found in the atmosphere above marine areas, where it is used as a carbon source by the airborne bacteria Afipia; found distinctively in human melanoma cells.