Acetic acid (CAS 64-19-7): A simple carboxylic acid, CH3COOH. Pure acetic acid is called glacial acetic acid (mp 16.6°C). pKa 4.76 — a weak acid that gives vinegar its sour taste and pungent smell. Industrially produced via carbonylation of methanol (Monsanto/BP Cativa process).
9:57:19 PM · Jul 8, 2026
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