Acetic acid, ib leeg-carbon organic carboxylic acid, yog yus muaj los ntawm nws cov flammability thiab corrosive zog, poob nyob rau hauv qeb ntawm hom II organic tshuaj lom neeg cov kev cai.
Ntawm ib puag ncig kub ntawm 39 ℃, nws dhau los ua qhov phom sij. Ntshiab anhydrous acetic acid, tseem hu ua glacial acetic acid, yog cov khoom tsis muaj xim uas nyiam cov dej noo thiab solidifies ntawm 16.6 ℃ (62℉) rau hauv cov xim tsis muaj kob. Nws cov tshuaj qhia me ntsis acidity thiab tseem ceeb corrosiveness, thaum nws cov vapors tuaj yeem ua rau khaus khaus ntawm qhov muag thiab qhov ntswg.