methylenecyclobutane

亚甲基环丁烷

Also known as: Cyclobutane, methylene-, Cyclobutane,methylene, EINECS 214-313-7, METHYLENECYCLOBUTANE, METHYLENECYCLOBUTANE ISO 9001:2015 REACH, METHYLENECYCLOBUTANE, TECH., 96%, MFCD00001335, Methylen-cyclobutan, cyclobutylmethyl, exo-methylenecyclobutane, methylene cyclobutene, methylene-cyclobutan, methylenencyclobutane, methylidenecyclobutane, methylidenecyclobutane - [M81397]

methylenecyclobutane (CAS 1120-56-5) 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. It is also known as Cyclobutane, methylene-, Cyclobutane,methylene and EINECS 214-313-7. Key properties include a melting point of -134.7°C, a boiling point of 42.2ºC at 760mmHg, a density of 0.78g/cm3 and a flash point of <−30 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1120-56-5
Jingsj CID
J-27242-7
Molecular Formula
C5H8
Chinese Name
亚甲基环丁烷
Molecular Weight
68.11700 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-134.7°C
Boiling Point42.2ºC at 760mmHg
Density0.78g/cm3
Flash Point<−30 °F

Frequently Asked Questions

What is the CAS number of methylenecyclobutane?

The CAS number of methylenecyclobutane is 1120-56-5.

What are the molecular formula and molecular weight of methylenecyclobutane?

methylenecyclobutane has molecular formula C5H8 and molecular weight 68.11700 g/mol.

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

Last updated:

How to cite: Jingsj. "methylenecyclobutane (CAS 1120-56-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27242-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.