4,4,7,9-Tetramethyl-4,5-dihydrobenzo[c]oxepine-1,3-dione

4,4,7,9-四甲基-4,5-二氢苯并[c]氧杂卓-1,3-二酮

Also known as: 4,4,7,9-Tetramethyl-1,3,4,5-tetrahydro-2-benzoxepine-1,3-dione, 4,4,7,9-tetramethyl-5H-2-benzoxepine-1,3-dione, 2,4-Dimethyl-6-(2-methylpropyl)benzene-1,2''-dicarboxylic anhydride, 2-Benzoxepin-1,3-dione, 4,5-dihydro-4,4,7,9-tetramethyl-

4,4,7,9-Tetramethyl-4,5-dihydrobenzo[c]oxepine-1,3-dione (CAS 23342-31-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H16O3 and a molecular weight of 232.27500 g/mol. It is also known as 4,4,7,9-Tetramethyl-1,3,4,5-tetrahydro-2-benzoxepine-1,3-dione, 4,4,7,9-tetramethyl-5H-2-benzoxepine-1,3-dione and 2,4-Dimethyl-6-(2-methylpropyl)benzene-1,2''-dicarboxylic anhydride. Key properties include a melting point of 99ºC, a boiling point of 378.2ºC at 760 mmHg, a density of 1.111 g/cm3 and a flash point of 177.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

23342-31-6

Jingsj CID

J-1493481-0

Molecular Formula

C₁₄H₁₆O₃

Chinese Name

4,4,7,9-四甲基-4,5-二氢苯并[c]氧杂卓-1,3-二酮

Molecular Weight

232.27500 g/mol

Category

Ketones

Last updated

8/21/2026