Glacial Acetic Acid is an organic compound that is classified as an acid. This material is a liquid and colorless in form. The minimum purity for our Glacial Acetic Acid is 99.85% and is Food Grade. Glacial Acetic Acid is the second simplest carboxylic acid (after formic acid) and has many uses. Glacial Acetic Acid is a chemical reagent for the production of various chemical compounds. Vinegar is at least 4% Acetic Acid by volume which makes Acetic Acid the main component of this widely used product.