demeton-S-methyl sulfoxide
demeton-S-methyl sulfoxide
[′dem·ə‚tän ¦es ′meth·əl səl′fäk‚sīd] (organic chemistry)
C6H15O4PS2 A clear, amber liquid; limited solubility in water; used as an insecticide and miticide for pests of vegetable, fruit, and field crops, ornamental flowers, shrubs, and trees.