Acetic acid, otu-carbon organic carboxylic acid, eji mara ya site na ire ọkụ na ihe ndị na-emebi emebi, ịdaba n'ụdị nke ụkpụrụ iwu kemịkal dị ize ndụ ụdị II.
Na gburugburu okpomọkụ nke 39 ℃, ọ na-aghọ ihe ize ndụ ọkụ. Acetic acid anhydrous dị ọcha, A makwaara dị ka glacial acetic acid, bụ ihe siri ike na-enweghị agba nke na-adọta mmiri ma sie ike na 16.6 ℃ (62℉) n'ime kristal enweghị agba. Ihe ngwọta ya na-egosiputa acidity dị nro na mmebi dị ukwuu, ebe vapors ya nwere ike ịkpasu iwe na anya na imi.