Pentanoic acid
Also known as: Valeric acid, n-Valeric acid, n-Pentanoic acid, Propylacetic acid, 1-Butanecarboxylic acid, Butanecarboxylic acid, Pentanoic acid (Valeric acid), Valerianic acid, N-VALERICACID, PENTANOIC ACID FOR SYNTHESIS, VALERIC ACID(SG), Valeric Acid, Reagent
Pentanoic acid (CAS 109-52-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.132 g/mol. Key properties include a melting point of −20-−18 °C(lit.), a boiling point of 185.3±3.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 88.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H314 — Causes severe skin burns and eye damage and H412 — Harmful to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 109-52-4
- Jingsj CID
- J-11453-4
- Molecular Formula
- C5H10O2
- Molecular Weight
- 102.132 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −20-−18 °C(lit.) |
|---|---|
| Boiling Point | 185.3±3.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 88.9±0.0 °C |
| Exact Mass | 102.068077 |
| PSA | 37.30000 |
| LogP | 1.31 |
| Additional Property | 3.5 (vs air) |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.421 |
| Additional Property | 40 g/L (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
- H412 — Harmful to aquatic life with long lasting effects
Activity & Biological Data
| Target | Human Endogenous Metabolite ROCK |
|---|---|
| Additional Information | [1]. Mizuno N, et al. Pentanoic acid induces thymic stromal lymphopoietin production through Gq/11 and Rho-associated protein kinase signaling pathway in keratinocytes. Int Immunopharmacol. 2017 Sep;50:216-223. |
Customs & Trade Information
| HS Code | 2915600000 |
|---|---|
| Summary | 2915600000 butanoic acids and pentanoic acids and their salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Pentanoic acid?
The CAS number of Pentanoic acid is 109-52-4.
What are the molecular formula and molecular weight of Pentanoic acid?
Pentanoic acid has molecular formula C5H10O2 and molecular weight 102.132 g/mol.
Is Pentanoic acid hazardous?
Pentanoic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage; H412 — Harmful to aquatic life with long lasting effects.
What are the upstream and downstream products of Pentanoic acid?
For Pentanoic acid, Upstream Products: 1-Pentanol, 5-Decene, (5E)-, γ-Valerolactone; Downstream Products: 5-Undecanone, Butyl nitrite, n-Butyl nitrate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pentanoic acid (CAS 109-52-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11453-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.