2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one

Also known as: Allethrolone, (±)-2-allyl-4-hydroxy-3-methylcyclopent-2-en-1-one, 4-Hydroxy-3-methyl-2-(2-propenyl)cyclopent-2-en-1-one, 2-allyl-3-methyl-4-hydroxycyclopent-2-enone, 2-allyl-3-methyl-2-cyclopenten-4-ol-1-one, 2-allyl-3-methyl-4-hydroxy-2-cyclopentenone

2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one (CAS 29605-88-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H12O2 and a molecular weight of 152.19000 g/mol. Key properties include a boiling point of 275.7ºC at 760mmHg, a density of 1.082g/cm3 and a flash point of 115.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 29605-88-7
Jingsj CID: J-1525142-0
Molecular Formula: C₉H₁₂O₂
Molecular Weight: 152.19000 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	275.7ºC at 760mmHg
Density	1.082g/cm3
Flash Point	115.2ºC
Exact Mass	152.08400
PSA	37.30000
LogP	1.21270
Vapor Pressure	0.001mmHg at 25°C
Refractive Index	1.533

Frequently Asked Questions

What is the CAS number of 2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one?

The CAS number of 2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one is 29605-88-7.

What are the molecular formula and molecular weight of 2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one?

2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one has molecular formula C9H12O2 and molecular weight 152.19000 g/mol.

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-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one (CAS 29605-88-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525142-0 (accessed 2026-11-06).

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