Specifications n-Valeric acid (Pentanoic acid) 1.CAS No: 109-52-4 2.Assay(GC) 99.5% min 99.0% min 3.Appearance: Colorless to pale yellow Molecular Formula: C4H9COOH Molecular Weight:102.13 CAS No: 109-52-4 Physical properties: Appearance: Colorless to pale yellow liquid. Melting point: -34.0 °C Boiling point: 186 °C Specific Gravity: 0.93~0.94g/cm3 Applications: widely used in flavour&fragrance industry