5-Cyanophthalide

5-氰基苯酞

Also known as: 1,3-Dihydro-1-oxoisobenzofuran-5-carbonitrile, 1-Oxo-1,3-dihydroisobenzofuran-5-carbonitrile, 5-Cyano-3H-isobenzofuranone, 5-Cyano-3H-isobenzofuran-1-one, 1,3-Dihydro-1-oxo-5-isobenzofurancarbonitrile, 1-Oxo-1,3-dihydro-2-benzofuran-5-carbonitrile, 1-Oxo-phthalan-5-carbonitrile, 5-Phthalidenitrile, 6-Cyano-1,3-dihydro-3-oxo-isobenzofuran, 5-Isobenzofurancarbonitrile, 1,3-dihydro-1-oxo-, MFCD01072882

5-Cyanophthalide (CAS 82104-74-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H5NO2 and a molecular weight of 159.141 g/mol. It is also known as 1,3-Dihydro-1-oxoisobenzofuran-5-carbonitrile, 1-Oxo-1,3-dihydroisobenzofuran-5-carbonitrile and 5-Cyano-3H-isobenzofuranone. Key properties include a melting point of 201-205 °C(lit.), a boiling point of 407.5±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 199.3±15.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

82104-74-3

Jingsj CID

J-991988-4

Molecular Formula

C₉H₅NO₂

Chinese Name

5-氰基苯酞

Molecular Weight

159.141 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026