3a-Methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione

3a-甲基-3a,4,7,7a-四氢异苯并呋喃-1,3-二酮

Also known as: 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-3a-methyl-, 7a-methyl-4,7-dihydro-3aH-2-benzofuran-1,3-dione, 3a,4,7,7a-Tetrahydro-7a-methylisobenzofuran-1,3-dione, ZZLA-0334, Epoxy hardener zzla-0334, Lindride, AC 220J

3a-Methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione (CAS 42498-58-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.17400 g/mol. It is also known as 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-3a-methyl-, 7a-methyl-4,7-dihydro-3aH-2-benzofuran-1,3-dione and 3a,4,7,7a-Tetrahydro-7a-methylisobenzofuran-1,3-dione. Key properties include a boiling point of 292.4ºC at 760mmHg, a density of 1.251g/cm3 and a flash point of 136.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

42498-58-8

Jingsj CID

J-1327660-5

Molecular Formula

C₉H₁₀O₃

Chinese Name

3a-甲基-3a,4,7,7a-四氢异苯并呋喃-1,3-二酮

Molecular Weight

166.17400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026