5,6,7,8-Tetrahydro-1H-2-benzopyran-1,3(4H)-dione

5,6,7,8-四氢-1H-2-苯并吡喃-1,3(4H)-二酮

Also known as: 5,6,7,8-Tetrahydro-1,3-isochromandione, 5,6,7,8-Tetrahydro-1H-isochromene-1,3(4H)-dione, 5,6,7,8-Tetrahydro-homophthalsaeureanhydrid, 1H-2-Benzopyran-1,3(4H)-dione, 5,6,7,8-tetrahydro-

5,6,7,8-Tetrahydro-1H-2-benzopyran-1,3(4H)-dione (CAS 3711-74-8) is a compound in the Ketones 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 5,6,7,8-Tetrahydro-1,3-isochromandione, 5,6,7,8-Tetrahydro-1H-isochromene-1,3(4H)-dione and 5,6,7,8-Tetrahydro-homophthalsaeureanhydrid. Key properties include a melting point of 46℃, a boiling point of 334℃, a density of 1.24 g/cm3 and a flash point of 163℃. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3711-74-8

Jingsj CID

J-1087055-6

Molecular Formula

C₉H₁₀O₃

Chinese Name

5,6,7,8-四氢-1H-2-苯并吡喃-1,3(4H)-二酮

Molecular Weight

166.17400 g/mol

Category

Ketones

Last updated

8/21/2026