3-Cyclopentylpropionic acid
Also known as: 3-Cyclopentylpropanoic acid, Cyclopentanepropionic acid, Cyclopentanepropanoic acid, Cypionic acid, Propionic acid, 3-cyclopentyl-, MFCD00001392, EINECS 205-433-0
3-Cyclopentylpropionic acid (CAS 140-77-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O2 and a molecular weight of 142.196 g/mol. Key properties include a boiling point of 247.2±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 122.0±9.8 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 140-77-2
- Jingsj CID
- J-6091-3
- Molecular Formula
- C8H14O2
- Molecular Weight
- 142.196 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 247.2±8.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 122.0±9.8 °C |
| Exact Mass | 142.099380 |
| PSA | 37.30000 |
| LogP | 2.27 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.473 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2916209090 |
|---|---|
| Summary | 2916209090 other cyclanic, cyclenic or cyclotherpenic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Cyclopentylpropionic acid?
The CAS number of 3-Cyclopentylpropionic acid is 140-77-2.
What are the molecular formula and molecular weight of 3-Cyclopentylpropionic acid?
3-Cyclopentylpropionic acid has molecular formula C8H14O2 and molecular weight 142.196 g/mol.
Is 3-Cyclopentylpropionic acid hazardous?
3-Cyclopentylpropionic acid has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Cyclopentylpropionic acid (CAS 140-77-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6091-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.