Methanol, nke a makwaara dị ka mmanya methyl n'etiti ndị ọzọ, bụ kemịkal nwere usoro CH3OH (otu methyl jikọtara ya na otu hydroxyl, nke a na-akpọkarị MeOH). Methanol nwetara aha osisi mmanya n'ihi na ọ bụ otu oge ka e mepụtara site na mbibi nke osisi. Taa, a na-emepụta methanol nke ọma site na hydrogenation nke carbon monoxide. Methanol bụ mmanya kachasị mfe, nke nwere otu methyl jikọtara ya na otu hydroxyl. Ọ bụ ihe dị mfe, nke na-agba ọsọ, nke na-enweghị agba, nke na-ere ọkụ nke nwere ísì dị iche na nke ethanol (mmanya mmanya). Otú ọ dị, methanol bụ ihe na-egbu egbu karịa ethanol. Na ụlọ okpomọkụ, ọ bụ mmiri mmiri.
osisi mmanya