4,4-Dimethyl-2-cyclopenten-1-one
Also known as: 4,4-Dimethylcyclopent-2-en-1-one, 4,4-Dimethyl-2-cyclopentenone, 2-Cyclopenten-1-one, 4,4-dimethyl-, 4,4-Dimethylcyclopent-2-enone
4,4-Dimethyl-2-cyclopenten-1-one (CAS 22748-16-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H10O and a molecular weight of 110.15400 g/mol. Key properties include a melting point of 174-175 °C, a boiling point of 155.1ºC at 760mmHg, a density of 0.903 and a flash point of 46ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22748-16-9
- Jingsj CID
- J-9546-5
- Molecular Formula
- C7H10O
- Molecular Weight
- 110.15400 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 174-175 °C |
|---|---|
| Boiling Point | 155.1ºC at 760mmHg |
| Density | 0.903 |
| Flash Point | 46ºC |
| Exact Mass | 110.07300 |
| PSA | 17.07000 |
| LogP | 1.54160 |
| Vapor Pressure | 3.09mmHg at 25°C |
| Refractive Index | 1.457 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
Activity & Biological Data
| Additional Information | [1]. Tohru Nakayachi, et al. Structure-activity relationships of alpha, beta-unsaturated ketones as assessed by their cytotoxicity against oral tumor cells. Anticancer Res. Mar-Apr 2004;24(2B):737-42. [2]. Wei-WeiZhu, et al. Cornstalk liquefaction in methanol/water mixed solvents. Fuel Processing Technology Volume 117, January 2014, Pages 1-7. |
|---|
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 4,4-Dimethyl-2-cyclopenten-1-one?
The CAS number of 4,4-Dimethyl-2-cyclopenten-1-one is 22748-16-9.
What are the molecular formula and molecular weight of 4,4-Dimethyl-2-cyclopenten-1-one?
4,4-Dimethyl-2-cyclopenten-1-one has molecular formula C7H10O and molecular weight 110.15400 g/mol.
Is 4,4-Dimethyl-2-cyclopenten-1-one hazardous?
4,4-Dimethyl-2-cyclopenten-1-one has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of 4,4-Dimethyl-2-cyclopenten-1-one?
For 4,4-Dimethyl-2-cyclopenten-1-one, Upstream Products: 2,2-Dimethyl-4-pentenal, 3,3-Dimethylglutaric acid; Downstream Products: 1,1-Dimethylcyclopentane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4-Dimethyl-2-cyclopenten-1-one (CAS 22748-16-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9546-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.