Pyruvic Acid Synonym name: ±-Ketopropionic acid, 2-Oxopropionic acid Molecular formula: CH3COCOOH Molecular weight: 88.06 CAS number: 127-17-3 Appearence: Slight Yellow LiquidComplies Assay: NLT 98.0% Acidic acid: NMT 2.0% Water: NMT 1.00% Heavy Metals: NMT 10 ppm As: NMT 1 ppm