trans-3-methylenecyclopropane-1,2-dicarboxylic acid

3-亚甲基环丙烷-反-1,2-二羧酸

Also known as: Feist's acid, 3-methylene-1,2-cyclopropanedicarboxylic acid, 3-methylidenecyclopropane-1,2-dicarboxylic acid, rac-(1R,2R)-3-methylidenecyclopropane-1,2-dicarboxylic acid, 3-Methylenecyclopropane-trans-1,2-dicarboxylic acid, trans-1-methylenecyclopropane-2,3-dicarboxylic acid

trans-3-methylenecyclopropane-1,2-dicarboxylic acid (CAS 499-02-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6O4 and a molecular weight of 142.10900 g/mol. It is also known as Feist's acid, 3-methylene-1,2-cyclopropanedicarboxylic acid and 3-methylidenecyclopropane-1,2-dicarboxylic acid. Key properties include a melting point of 197-201ºC, a boiling point of 309.2ºC at 760mmHg, a density of 1.49g/cm3 and a flash point of 155ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
499-02-5
Jingsj CID
J-18644-3
Molecular Formula
C6H6O4
Chinese Name
3-亚甲基环丙烷-反-1,2-二羧酸
Molecular Weight
142.10900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point197-201ºC
Boiling Point309.2ºC at 760mmHg
Density1.49g/cm3
Flash Point155ºC

Frequently Asked Questions

What is the CAS number of trans-3-methylenecyclopropane-1,2-dicarboxylic acid?

The CAS number of trans-3-methylenecyclopropane-1,2-dicarboxylic acid is 499-02-5.

What are the molecular formula and molecular weight of trans-3-methylenecyclopropane-1,2-dicarboxylic acid?

trans-3-methylenecyclopropane-1,2-dicarboxylic acid has molecular formula C6H6O4 and molecular weight 142.10900 g/mol.

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

Last updated:

How to cite: Jingsj. "trans-3-methylenecyclopropane-1,2-dicarboxylic acid (CAS 499-02-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18644-3 (accessed 2026-10-22).

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