HCOOH, commonly known as formic acid, is the simplest carboxylic acid. It is a colorless liquid with a pungent odor and is naturally found in the venom of ants and in some plants. Formic acid is used in various applications, including as a preservative in animal feed and as a cleaning agent. In addition to its industrial uses, HCOOH plays a role in the production of methyl formate and formamide, which are important in chemical synthesis. It is also utilized in the textile and leather industries for tanning and dyeing processes.