spiro[2.2]pentane

Also known as: SPIROPENTANE, Spiro[2.2]pentane, Spiropentan

spiro[2.2]pentane (CAS 157-40-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H8 and a molecular weight of 68.11700 g/mol. Key properties include a boiling point of 58.7ºC at 760 mmHg and a density of 0.93g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 157-40-4
Jingsj CID: J-1993561-4
Molecular Formula: C₅H₈
Molecular Weight: 68.11700 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	58.7ºC at 760 mmHg
Density	0.93g/cm3
Exact Mass	68.06260
LogP	1.56040
Vapor Pressure	220mmHg at 25°C
Refractive Index	1.488

Customs & Trade Information

HS Code	2902199090
Summary	2902199090 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 spiro[2.2]pentane?

The CAS number of spiro[2.2]pentane is 157-40-4.

What are the molecular formula and molecular weight of spiro[2.2]pentane?

spiro[2.2]pentane has molecular formula C5H8 and molecular weight 68.11700 g/mol.

What are the upstream and downstream products of spiro[2.2]pentane?

For spiro[2.2]pentane, Upstream Products: Pentaerythrityl tetrabromide, Pentaerythrityl tetraiodide, Acetamide; Downstream Products: Pentaerythrityl tetrachloride, Allene, methylenecyclobutane.

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. "spiro[2.2]pentane (CAS 157-40-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993561-4 (accessed 2026-11-07).

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