Cyclobutane-1,2-dicarboxylic anhydride

环丁烷-1,2-二甲酸酐

Also known as: 3-Oxabicyclo[3.2.0]heptane-2,4-dione, Perhydrocyclobuta[c]furan-1,3-dione, cis-1,2-Cyclobutanedicarboxylic anhydride, 1,2-CYCLOBUTANEDICARBOXYLIC ANHYDRIDE, Cyclobutane-1,2-dicarboxylic acid anhydride

Cyclobutane-1,2-dicarboxylic anhydride (CAS 4462-96-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6O3 and a molecular weight of 126.110 g/mol. It is also known as 3-Oxabicyclo[3.2.0]heptane-2,4-dione, Perhydrocyclobuta[c]furan-1,3-dione and cis-1,2-Cyclobutanedicarboxylic anhydride. Key properties include a melting point of 73 â„ƒ, a boiling point of 271.5±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 139.4±15.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4462-96-8
Jingsj CID: J-17796-0
Molecular Formula: C₆H₆O₃
Chinese Name: 环丁烷-1,2-二甲酸酐
Molecular Weight: 126.110 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	73 â„ƒ
Boiling Point	271.5±0.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	139.4±15.9 °C

Frequently Asked Questions

What is the CAS number of Cyclobutane-1,2-dicarboxylic anhydride?

The CAS number of Cyclobutane-1,2-dicarboxylic anhydride is 4462-96-8.

What are the molecular formula and molecular weight of Cyclobutane-1,2-dicarboxylic anhydride?

Cyclobutane-1,2-dicarboxylic anhydride has molecular formula C6H6O3 and molecular weight 126.110 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Cyclobutane-1,2-dicarboxylic anhydride (CAS 4462-96-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17796-0 (accessed 2026-10-23).

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