properties and uses of acetic acid

[alias]acetic acid ［molecular formula］c2h4o2 ［structural formula］ch3cooh [properties]colorless transparent liquid. it is an important component of vinegar, a typical fatty acid with a pungent sour taste. the relative density of anhydrous material is 1.049 (20℃), the boiling point is 118℃, the melting point is 16.604℃, the flash point (open cup) is 57℃, the auto-ignition temperature is…