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**Systematic name:**
1-Propanecarboxylic acid
**Molecular formula:**
C₄H₈O₂
**Chemical formula (condensed):**
CH₃(CH₂)₂COOH
**Molar mass:** 88,10 g/mol
**Information:** Butyric acid is an oily, colourless, unpleasant smelling liquid. Butyric acid is a fatty acid with a short chain and it is the lowest fatty acid occurring in fats.
**Use:** It is contained in rancid butter, parmesan, vomit and sweat.