Isovaleric acid Other names: 3-Methylbutyric acid Isopentanoic acid Delphinic acid 3-Methylbutanoic acid Formula: C5H10O2 CAS: 503-74-2 Weight: 102,13 g/mol Boiling point: 176,5 °C Melting point: -29,3 °C Density: 0,93 g/cm3