5,6-dimethyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

5,6-二甲基-3a,4,7,7a-四氢-2-苯并呋喃-1,3-二酮

Also known as: 1,3-isobenzofurandione, 3a,4,7,7a-tetrahydro-5,6-dimethyl-, 4-Cyclohexene-1,2-dicarboxylic anhydride, 4,5-dimethyl-, 5,6-dimethyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione, 5,6-dimethyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-quinone, 5,6-Dimethyl-3a,4,7,7a-tetrahydro-1,3-isobenzofurandione, EA143

5,6-dimethyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione (CAS 5438-24-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H12O3 and a molecular weight of 180.20000 g/mol. It is also known as 1,3-isobenzofurandione, 3a,4,7,7a-tetrahydro-5,6-dimethyl-, 4-Cyclohexene-1,2-dicarboxylic anhydride, 4,5-dimethyl- and 5,6-dimethyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione. Key properties include a boiling point of 314.7ºC at 760mmHg, a density of 1.17g/cm3 and a flash point of 147.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5438-24-4

Jingsj CID

J-1083239-6

Molecular Formula

C₁₀H₁₂O₃

Chinese Name

5,6-二甲基-3a,4,7,7a-四氢-2-苯并呋喃-1,3-二酮

Molecular Weight

180.20000 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026