Names | |
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Preferred IUPAC name
Oxolane-2,5-dione[1] | |
Other names
3,4-Dihydrofuran-2,5-dione, Butanedioic anhydride[1]
Dihydrofuran-2,5-dione Succinic acid anhydride Succinyl oxide Dihydro-2,5-furandione | |
Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.003.246 |
KEGG | |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C4H4O3 | |
Molar mass | 100.073 g·mol−1 |
Appearance | Colorless crystalline needles[2] |
Density | 1.23 g/cm3[2] |
Melting point | 119 to 120 °C (246 to 248 °F; 392 to 393 K)[3] |
Boiling point | 261 °C (502 °F; 534 K)[2] |
Decomposes | |
-47.5·10−6 cm3/mol | |
Hazards | |
Flash point | 147 °C (297 °F; 420 K)[4] |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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1510 mg/kg (oral, rat)[4] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Succinic anhydride, is an organic compound with the molecular formula (CH2CO)2O. This colorless solid is the acid anhydride of succinic acid.