3-Acetamidophthalic anhydride

3-乙酰氨基邻苯二甲酸酐

Also known as: N-(1,3-Dioxo-1,3-dihydro-2-benzofuran-4-yl)acetamide, 3-acetylaminophthalic anhydride, N-(1,3-Dihydro-1,3-dioxoisobenzofuran-4-yl)acetamide, Acetamide, N-(1,3-dihydro-1,3-dioxo-4-isobenzofuranyl)-, NSC 16261, N-(1,3-dioxo-1,3-dihydroisobenzofuran-4-yl)acetamide, 3-acetamidopthalic anhydride, 3-acetaminophthalic anhydride

3-Acetamidophthalic anhydride (CAS 6296-53-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7NO4 and a molecular weight of 205.167 g/mol. It is also known as N-(1,3-Dioxo-1,3-dihydro-2-benzofuran-4-yl)acetamide, 3-acetylaminophthalic anhydride and N-(1,3-Dihydro-1,3-dioxoisobenzofuran-4-yl)acetamide. Key properties include a melting point of 186 °C, a boiling point of 489.1±28.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 249.6±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6296-53-3

Jingsj CID

J-893121-4

Molecular Formula

C₁₀H₇NO₄

Chinese Name

3-乙酰氨基邻苯二甲酸酐

Molecular Weight

205.167 g/mol

Category

Organic Acids

Last updated

8/21/2026