Glacial acetic acid GAA 98-99.8% Acetic Acid Glacial, Ethanoic acid, Natural Acetic Acid CAS No.: 64-19-7 Molecular Formula: CH3COOH, C2H4O2 Glacial Acetic Acid 99.5% Tech gradeAppearance: Colorless transparent liquid Purity: 99.5% min