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Butylcyclopentane

Also known as: BUTYL CYCLOPENTANE, Butyl-cyclopentan, Cyclopentane, butyl-, Cyclopentane,butyl, EINECS 218-040-4, butyl-cyclopentane, butylcyclopentane, n-Butyl-cyclopentan

Butylcyclopentane (CAS 2040-95-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H18 and a molecular weight of 126.239 g/mol. Key properties include a melting point of -108ºC, a boiling point of 156.1±3.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 34.7±10.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2040-95-1
Jingsj CID
J-1368808-9
Molecular Formula
C9H18
Molecular Weight
126.239 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-108ºC
Boiling Point156.1±3.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point34.7±10.6 °C
Exact Mass126.140854
LogP4.91
Vapor Pressure3.8±0.1 mmHg at 25°C
Refractive Index1.436

Customs & Trade Information

HS Code2902199090
Summary2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Butylcyclopentane?

The CAS number of Butylcyclopentane is 2040-95-1.

What are the molecular formula and molecular weight of Butylcyclopentane?

Butylcyclopentane has molecular formula C9H18 and molecular weight 126.239 g/mol.

What are the upstream and downstream products of Butylcyclopentane?

For Butylcyclopentane, Upstream Products: Cyclopentyl bromide, Iodocyclopentane, Butylmagnesium chloride; Downstream Products: Butyric acid, Pentanoic acid, Cumene.

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

Last updated:

How to cite: Jingsj. "Butylcyclopentane (CAS 2040-95-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368808-9 (accessed 2026-11-09).

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