5-Pentylcyclohexane-1,3-dione

Also known as: 1,3-Cyclohexanedione, 5-pentyl-, 5-Pentyl-1,3-cyclohexanedione, 5-Pentyl-cyclohexane-1,3-dione, 5-n-Pentyl-1,3-cyclohexandion, 5-n-Pentyl-cyclohexan-1,3-dion, 5-pentylcyclohexane-1,3-dione

5-Pentylcyclohexane-1,3-dione (CAS 18456-88-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H18O2 and a molecular weight of 182.25900 g/mol. Key properties include a boiling point of 298.919ºC at 760 mmHg, a density of 0.977g/cm3 and a flash point of 111.607ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18456-88-7
Jingsj CID: J-991631-8
Molecular Formula: C₁₁H₁₈O₂
Molecular Weight: 182.25900 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	298.919ºC at 760 mmHg
Density	0.977g/cm3
Flash Point	111.607ºC
Exact Mass	182.13100
PSA	34.14000
LogP	2.50500
Vapor Pressure	0.001mmHg at 25°C
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 5-Pentylcyclohexane-1,3-dione?

The CAS number of 5-Pentylcyclohexane-1,3-dione is 18456-88-7.

What are the molecular formula and molecular weight of 5-Pentylcyclohexane-1,3-dione?

5-Pentylcyclohexane-1,3-dione has molecular formula C11H18O2 and molecular weight 182.25900 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. "5-Pentylcyclohexane-1,3-dione (CAS 18456-88-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-991631-8 (accessed 2026-11-09).

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