Dimethyl 1-cyclobutene-1,2-dicarboxylate

1-环丁烯-1,2-二羧酸二甲酯

Also known as: 1,2-Bis(methoxycarbonyl)cyclobut-1-ene, 1,2-Dicarbomethoxycyclobutene, 1,2-Dimethyl 1-cyclobutene-1,2-dicarboxylate, Cyclobutene-1,2-dicarboxylic acid dimethyl ester, dimethyl cyclobut-1-ene-1,2-dicarboxylate

Dimethyl 1-cyclobutene-1,2-dicarboxylate (CAS 1128-10-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10O4 and a molecular weight of 170.163 g/mol. It is also known as 1,2-Bis(methoxycarbonyl)cyclobut-1-ene, 1,2-Dicarbomethoxycyclobutene and 1,2-Dimethyl 1-cyclobutene-1,2-dicarboxylate. Key properties include a boiling point of 221.2±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 104.6±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1128-10-5
Jingsj CID
J-21550-3
Molecular Formula
C8H10O4
Chinese Name
1-环丁烯-1,2-二羧酸二甲酯
Molecular Weight
170.163 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point221.2±40.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point104.6±25.7 °C

Frequently Asked Questions

What is the CAS number of Dimethyl 1-cyclobutene-1,2-dicarboxylate?

The CAS number of Dimethyl 1-cyclobutene-1,2-dicarboxylate is 1128-10-5.

What are the molecular formula and molecular weight of Dimethyl 1-cyclobutene-1,2-dicarboxylate?

Dimethyl 1-cyclobutene-1,2-dicarboxylate has molecular formula C8H10O4 and molecular weight 170.163 g/mol.

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

Last updated:

How to cite: Jingsj. "Dimethyl 1-cyclobutene-1,2-dicarboxylate (CAS 1128-10-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21550-3 (accessed 2026-10-24).

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