2,2,5-Trimethylcyclopentanone

Also known as: 2,2,5-Trimethylcyclopentan-1-one, Cyclopentanone, 2,2,5-trimethyl-, NSC 179392

2,2,5-Trimethylcyclopentanone (CAS 4573-09-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H14O and a molecular weight of 126.19600 g/mol. Key properties include a boiling point of 152ºC at 760mmHg, a density of 0.878 g/cm3 and a flash point of 45.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4573-09-5
Jingsj CID: J-1519431-7
Molecular Formula: C₈H₁₄O
Molecular Weight: 126.19600 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	152ºC at 760mmHg
Density	0.878 g/cm3
Flash Point	45.4ºC
Exact Mass	126.10400
PSA	17.07000
LogP	2.01160
Refractive Index	1.431

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 2,2,5-Trimethylcyclopentanone?

The CAS number of 2,2,5-Trimethylcyclopentanone is 4573-09-5.

What are the molecular formula and molecular weight of 2,2,5-Trimethylcyclopentanone?

2,2,5-Trimethylcyclopentanone has molecular formula C8H14O and molecular weight 126.19600 g/mol.

What are the upstream and downstream products of 2,2,5-Trimethylcyclopentanone?

For 2,2,5-Trimethylcyclopentanone, Upstream Products: 1-(Trimethylsiloxy)cyclopentene, iodomethane, Cyclopentanone; Downstream Products: 2,2-dimethylsuccinic acid, 2,2,5,5-tetramethylcyclopentan-1-one.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2,2,5-Trimethylcyclopentanone (CAS 4573-09-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519431-7 (accessed 2026-11-09).

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