2-Acetylcyclopentanone
Also known as: Acetylcyclopentanone, o-Acetylcyclopentanone, 2-Acetylcyclopentan-1-one, Cyclopentanone, 2-acetyl-, (R,S)-2-Acetyl-cyclopentanone, (2S)-2-acetyl-1-cyclopentanone
2-Acetylcyclopentanone (CAS 1670-46-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H10O2 and a molecular weight of 126.153 g/mol. Key properties include a melting point of 60-70℃, a boiling point of 197.2±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 72.8±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1670-46-8
- Jingsj CID
- J-3688-4
- Molecular Formula
- C7H10O2
- Molecular Weight
- 126.153 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 60-70℃ |
|---|---|
| Boiling Point | 197.2±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 72.8±0.0 °C |
| Exact Mass | 126.068077 |
| PSA | 34.14000 |
| LogP | -0.48 |
| Vapor Pressure | 0.4±0.3 mmHg at 25°C |
| Refractive Index | 1.468 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2914299000 |
|---|---|
| Summary | 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Acetylcyclopentanone?
The CAS number of 2-Acetylcyclopentanone is 1670-46-8.
What are the molecular formula and molecular weight of 2-Acetylcyclopentanone?
2-Acetylcyclopentanone has molecular formula C7H10O2 and molecular weight 126.153 g/mol.
Is 2-Acetylcyclopentanone hazardous?
2-Acetylcyclopentanone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 2-Acetylcyclopentanone?
For 2-Acetylcyclopentanone, Upstream Products: Cyclopentanone, 1-(Trimethylsiloxy)cyclopentene, Acetyl chloride; Downstream Products: Glutaric acid, Glutaric anhydride, 1,3,5-trioxane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Acetylcyclopentanone (CAS 1670-46-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3688-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.