Anhydrous acetic acid hakika yana ƙonewa, alfahari mafi girma zafi zafi fiye da flammable fili fili methanol.
Mafi girman wuraren tafasawa da ƙonewa yana nufin cewa zafin da ke haifarwa daga yanayinsa tare da iskar oxygen sau da yawa wasu iskar gas ke sha., hana dorewa da dauki. Saboda haka, ingantaccen konewa na acetic acid yana buƙatar ingantaccen yanayin iskar oxygen, zai fi dacewa da oxygen mai tsabta.