Pentanoic acid
Pentanoic acid is an organic compound with the molecular formula C5H10O2.
- Formula
- C5H10O2
- Functional group
- Carboxylic acids
- Molar mass
- 102.13 g/mol
- Also known as
- Valeric acid, n-Valeric acid, n-Pentanoic acid, Valerianic acid, 1-Butanecarboxylic acid, Propylacetic acid
Overview
Pentanoic acid is an organic compound with the molecular formula C5H10O2.
Identifiers
- Formula
- C5H10O2
- Functional group
- Carboxylic acids
- Molar mass
- 102.13 g/mol
- Also known as
- Valeric acid, n-Valeric acid, n-Pentanoic acid, Valerianic acid, 1-Butanecarboxylic acid, Propylacetic acid
Chemical identifiers
- SMILES
- CCCCC(=O)O
- InChI
- InChI=1S/C5H10O2/c1-2-3-4-5(6)7/h2-4H2,1H3,(H,6,7)
- PubChem CID
- 7991
Properties
- Melting Point
- -34.5 °C
- Boiling Point
- 186-187 °C
- Relative density (water = 1)
- Relative density (water = 1): 0.94
- Water solubility
- In water, 2.4X10+4 mg/L at 25 °C
Related compounds
- Carboxylic acids
Pentanoic acid is an organic compound with the molecular formula C5H10O2.
References
- PubChem Compound Summary: Pentanoic acid (CID 7991)National Center for Biotechnology Information · PubChem
Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.
- Hazardous Substances Data Bank (HSDB): Pentanoic acid — melting pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7991#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 1764
- Hazardous Substances Data Bank (HSDB): Pentanoic acid — boiling pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7991#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 1764
- ILO-WHO International Chemical Safety Cards (ICSCs): Pentanoic acid — densityILO-WHO International Chemical Safety Cards (ICSCs)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7991#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.
- Hazardous Substances Data Bank (HSDB): Pentanoic acid — solubilityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7991#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Yalkowsky, S.H., He, Yan., Handbook of Aqueous Solubility Data: An Extensive Compilation of Aqueous Solubility Data for Organic Compounds Extracted from the AQUASOL dATAbASE. CRC Press LLC, Boca Raton, FL. 2003.