Cyclopentylacetic acid
Also known as: 2-Cyclopentylacetic acid, Cyclopentaneacetic acid, 2-Cyclopentaneacetic acid, (Carboxymethyl)cyclopentane, 2-cyclopentylacetate, Cyclopentylacetic acid, MFCD00001387, EINECS 214-368-7
Cyclopentylacetic acid (CAS 1123-00-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H12O2 and a molecular weight of 128.169 g/mol. Key properties include a melting point of 12-14°C, a boiling point of 230.2±8.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 109.4±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1123-00-8
- Jingsj CID
- J-44086-8
- Molecular Formula
- C7H12O2
- Molecular Weight
- 128.169 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 12-14°C |
|---|---|
| Boiling Point | 230.2±8.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 109.4±0.0 °C |
| Exact Mass | 128.083725 |
| PSA | 37.30000 |
| LogP | 1.74 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.473 |
GHS Safety & Compliance
- 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 Cyclopentylacetic acid?
The CAS number of Cyclopentylacetic acid is 1123-00-8.
What are the molecular formula and molecular weight of Cyclopentylacetic acid?
Cyclopentylacetic acid has molecular formula C7H12O2 and molecular weight 128.169 g/mol.
Is Cyclopentylacetic acid hazardous?
Cyclopentylacetic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory 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. "Cyclopentylacetic acid (CAS 1123-00-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44086-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.