Simplest of the alcohols, chemical formula CH₃OH. Once produced by destructive distillation of wood, it is now usually made from the methane in natural gas. Methanol is an important industrial material; its derivatives are used in great quantities for making a vast number of compounds, among them many important synthetic dyes, resins, drugs, and perfumes. It is also used in automotive antifreezes, in rocket fuels, and as a solvent. It is flammable and explosive. A clean-burning fuel, it may substitute (at least in part) for gasoline. It is also used for denaturation of ethanol. A violent poison, it causes blindness and eventually death when drunk.

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Demeton-S-methyl is an organic compound with the molecular formula C₆H₁₅O₃PS₂. It is used as an acaricide and insecticide; more specifically it is an organothiophosphate acaricide and an aliphatic organothiophosphate insecticide, respectively. It is flammable and poisonous to humans.

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