2-(1-hydroxypentyl)cyclopentan-1-one

Also known as: 2-(1-Hydroxypentyl)cyclopentanone, Cyclopentanone, 2-(1-hydroxypentyl)-, einecs 255-882-1, cyc018

2-(1-hydroxypentyl)cyclopentan-1-one (CAS 42558-01-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H18O2 and a molecular weight of 170.24900 g/mol. Key properties include a boiling point of 277.7ºC at 760mmHg, a density of 1.014g/cm3 and a flash point of 116.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42558-01-0
Jingsj CID: J-1494015-9
Molecular Formula: C₁₀H₁₈O₂
Molecular Weight: 170.24900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	277.7ºC at 760mmHg
Density	1.014g/cm3
Flash Point	116.2ºC
Exact Mass	170.13100
PSA	37.30000
LogP	1.90670
Refractive Index	1.482

Customs & Trade Information

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-(1-hydroxypentyl)cyclopentan-1-one?

The CAS number of 2-(1-hydroxypentyl)cyclopentan-1-one is 42558-01-0.

What are the molecular formula and molecular weight of 2-(1-hydroxypentyl)cyclopentan-1-one?

2-(1-hydroxypentyl)cyclopentan-1-one has molecular formula C10H18O2 and molecular weight 170.24900 g/mol.

What are the upstream and downstream products of 2-(1-hydroxypentyl)cyclopentan-1-one?

For 2-(1-hydroxypentyl)cyclopentan-1-one, Upstream Products: Valeraldehyde, Cyclopentanone; Downstream Products: 2-Pentylcyclopentanone, 2-Pentyl-2-cyclopenten-1-one, Methyl dihydrojasmonate.

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-(1-hydroxypentyl)cyclopentan-1-one (CAS 42558-01-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494015-9 (accessed 2026-11-09).

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