Acetic Acid

Ice acetic acid is high-purity acetic acid. It is an organic monobasic acid that is the source of the sour taste in vinegar. Pure anhydrous acetic acid (glacial acetic acid) is a colorless hygroscopic liquid with a freezing point of 16.7 ℃ (62 ℉), which solidifies into colorless crystals. Acetic acid is easily soluble in water and ethanol, and its aqueous solution is weakly acidic. Acetate is also