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Methylenecyclopropane

Also known as: 1-Methylenecyclopropane, 2-Methylenecyclopropane, 2-amino-N-phenylacetamide, 3-Methylenecyclopropane, >98%DISCONTINUED, Cyclopropane, methylene-, Cyclopropane,methylene-, Einecs 228-142-0, METHYLENECYCLOPROPANE, METHYLENECYCLOPROPANE; >98%DISCONTINUED, Methylen-cyclopropan, XSGHLZBESSREDT-UHFFFAOYSA-N, cyclopropane,methylene, cyclopropylmethyl, methylene cyclopropane, methylidenecyclopropane

Methylenecyclopropane (CAS 6142-73-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H6 and a molecular weight of 54.09040 g/mol. Key properties include a boiling point of 7.9±7.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of -73.4±5.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6142-73-0
Jingsj CID
J-1126947-9
Molecular Formula
C4H6
Molecular Weight
54.09040 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point7.9±7.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point-73.4±5.8 °C
Exact Mass54.04700
LogP1.79
Vapor Pressure1382.3±0.0 mmHg at 25°C
Refractive Index1.431

Frequently Asked Questions

What is the CAS number of Methylenecyclopropane?

The CAS number of Methylenecyclopropane is 6142-73-0.

What are the molecular formula and molecular weight of Methylenecyclopropane?

Methylenecyclopropane has molecular formula C4H6 and molecular weight 54.09040 g/mol.

What are the upstream and downstream products of Methylenecyclopropane?

For Methylenecyclopropane, Upstream Products: 3-Chloro-2-methyl-1-propene, 1-Methylcyclopropene, iodomethane; Downstream Products: 1-Butene, 2-butene, cis-2-butene.

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

Last updated:

How to cite: Jingsj. "Methylenecyclopropane (CAS 6142-73-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1126947-9 (accessed 2026-11-09).

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