Utywala buyikhompawundi equka icarbon, ihydrogen, neeathom zeoksijini.Lulwelo olungenambala olunevumba elikhethekileyo kunye nencasa, edla ngokusetyenziswa kwiziselo ezinxilisayo.I-chemical formula yotywala yi-C2H5OH, kwaye iveliswa ngokubiliswa kweswekile kunye neenkozo.