3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione

氧杂酸酐

Also known as: 4,10-dioxatricyclo[5.2.1.0(2,6)]dec-8-ene-3,5-dione, 3,6-endoxo-1,2,3,6-tetrahydrophthalic anhydride, 3,6-oxo-1,2,3,6-tetrahydrophthalic anhydride, 7-oxabicyclo[2.2.1]-5-heptene-2,3-dicarboxylic anhydride, 7-oxanorborna-2-ene-5,6-dicarboxylic anhydride, 3a,4,7,7a-tetrahydro-4,7-epoxy-1,3-isobenzofurandione, 4,7-epoxyisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, akos 92618, timtec-bb sbb007745

3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione (CAS 5426-09-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O4 and a molecular weight of 166.13 g/mol. It is also known as 4,10-dioxatricyclo[5.2.1.0(2,6)]dec-8-ene-3,5-dione, 3,6-endoxo-1,2,3,6-tetrahydrophthalic anhydride and 3,6-oxo-1,2,3,6-tetrahydrophthalic anhydride. Key properties include a boiling point of 372.0±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 172.2±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5426-09-5

Jingsj CID

J-1974285-6

Molecular Formula

C₈H₆O₄

Chinese Name

氧杂酸酐

Molecular Weight

166.13 g/mol

Category

Organic Acids

Last updated

8/21/2026