Formic acid (methanoic acid) is the simplest carboxylic acid, occurring naturally in ant venom and certain plants. It is a colorless, pungent liquid used industrially as a preservative, antibacterial agent in livestock feed, and in textile, leather, and rubber manufacturing. In food applications, it serves as an acidulant and preservative. Chemically, it acts as a reducing agent and participates in esterification and formylation reactions. It is fully miscible with water and alcohols but shows limited solubility in nonpolar fats due to its high polarity. The compound is highly corrosive, requiring careful handling to avoid severe burns. Its volatility allows it to evaporate readily at room temperature, contributing to its strong odor.