3-Cyclopentylpropionic acid

3-环戊基丙酸

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. It is also known as 3-Cyclopentylpropanoic acid, Cyclopentanepropionic acid and Cyclopentanepropanoic acid. 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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
140-77-2
Jingsj CID
J-6091-6
Molecular Formula
C8H14O2
Chinese Name
3-环戊基丙酸
Molecular Weight
142.196 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point247.2±8.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point122.0±9.8 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

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.

Data compiled from public chemical databases 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-6091-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.