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3-Cyclopentene-1-carboxylic acid

Also known as: 3-Cyclopentenecarboxylic acid, Cyclopent-3-ene-1-carboxylic acid, Cyclopent-3-enecarboxylic acid, MFCD00101764, EINECS 236-047-0

3-Cyclopentene-1-carboxylic acid (CAS 7686-77-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O2 and a molecular weight of 112.127 g/mol. Key properties include a boiling point of 227.3±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 101.1±13.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7686-77-3
Jingsj CID
J-1401226-1
Molecular Formula
C6H8O2
Molecular Weight
112.127 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point227.3±9.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point101.1±13.4 °C
Exact Mass112.052429
PSA37.30000
LogP0.94
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.522

Customs & Trade Information

HS Code2916209090
Summary2916209090 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-Cyclopentene-1-carboxylic acid?

The CAS number of 3-Cyclopentene-1-carboxylic acid is 7686-77-3.

What are the molecular formula and molecular weight of 3-Cyclopentene-1-carboxylic acid?

3-Cyclopentene-1-carboxylic acid has molecular formula C6H8O2 and molecular weight 112.127 g/mol.

What are the upstream and downstream products of 3-Cyclopentene-1-carboxylic acid?

For 3-Cyclopentene-1-carboxylic acid, Upstream Products: Diethyl 2-vinylcyclopropane-1,1-dicarboxylate, Dimethyl 3-cyclopentene-1,1-dicarboxylate, Diethyl 3-cyclopentene-1,1-dicarboxylate; Downstream Products: 1,2,3-Propanetricarboxylic acid, Methyl 3-cyclopentenecarboxylate, benzyl N-cyclopent-3-en-1-ylcarbamate.

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-Cyclopentene-1-carboxylic acid (CAS 7686-77-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1401226-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.