3-Methyl-5-pentyl-2-cyclohexen-1-one

Also known as: 2-Cyclohexen-1-one, 3-methyl-5-pentyl-, 3-Methyl-5-pentylcyclohex-2-enone, 3-methyl-5-pentylcyclohex-2-en-1-one, 3-Methyl-5-pentyl-cyclohex-2-en-1-on, 3-Methyl-5-pentylcyclohex-2-enon

3-Methyl-5-pentyl-2-cyclohexen-1-one (CAS 42161-41-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H20O and a molecular weight of 180.28700 g/mol. Key properties include a boiling point of 268ºC, a density of 0.895 and a flash point of 114ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42161-41-1
Jingsj CID: J-1423436-7
Molecular Formula: C₁₂H₂₀O
Molecular Weight: 180.28700 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	268ºC
Density	0.895
Flash Point	114ºC
Exact Mass	180.15100
PSA	17.07000
LogP	3.49210
Refractive Index	1.461

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 3-Methyl-5-pentyl-2-cyclohexen-1-one?

The CAS number of 3-Methyl-5-pentyl-2-cyclohexen-1-one is 42161-41-1.

What are the molecular formula and molecular weight of 3-Methyl-5-pentyl-2-cyclohexen-1-one?

3-Methyl-5-pentyl-2-cyclohexen-1-one has molecular formula C12H20O and molecular weight 180.28700 g/mol.

What are the upstream and downstream products of 3-Methyl-5-pentyl-2-cyclohexen-1-one?

For 3-Methyl-5-pentyl-2-cyclohexen-1-one, Upstream Products: (E)-3-nonen-2-one, 3-Nonen-2-one, Ethyl acetoacetate.

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. "3-Methyl-5-pentyl-2-cyclohexen-1-one (CAS 42161-41-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1423436-7 (accessed 2026-11-09).

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