methylenecyclobutane
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. 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 <-34.4 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 1120-56-5
- Jingsj CID
- J-27242-4
- Molecular Formula
- C5H8
- Molecular Weight
- 68.11700 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -134.7°C |
|---|---|
| Boiling Point | 42.2ºC at 760mmHg |
| Density | 0.78g/cm3 |
| Flash Point | <-34.4 °C |
| Exact Mass | 68.06260 |
| LogP | 1.72650 |
| Vapor Pressure | 408mmHg at 25°C |
| Refractive Index | n20/D 1.42(lit.) |
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 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.
What are the upstream and downstream products of methylenecyclobutane?
For methylenecyclobutane, Upstream Products: 3-Methylenecyclobutanecarbonyl chloride, Pentaerythrityl tetrabromide, 1,1-Dibromo-2,2-bis(chloromethyl)cyclopropane; Downstream Products: Cyclobutanecarboxylic acid, Cyclobutanemethanol, 1,1-Bis(hydroxymethyl)cyclopropane.
Data compiled from public chemical databases such as PubChem 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-27242-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.