Succinic anhydride

Succinic anhydride
Names
	Preferred IUPAC name Oxolane-2,5-dione
	Other names 3,4-Dihydrofuran-2,5-dione, Butanedioic anhydride; Dihydrofuran-2,5-dione; Succinic acid anhydride; Succinyl oxide; Dihydro-2,5-furandione
Identifiers
CAS Number	108-30-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:36595 ;
ChemSpider	7634 ;
ECHA InfoCard	100.003.246
KEGG	C19524 ;
PubChem CID	7922;
UNII	6RF4O17Z8J ;
CompTox Dashboard (EPA)	DTXSID7021287 ;
	InChI InChI=1S/C4H4O3/c5-3-1-2-4(6)7-3/h1-2H2 Key: RINCXYDBBGOEEQ-UHFFFAOYSA-N ; InChI=1/C4H4O3/c5-3-1-2-4(6)7-3/h1-2H2 Key: RINCXYDBBGOEEQ-UHFFFAOYAN;
	SMILES O=C1OC(=O)CC1;
Properties
Chemical formula	C4H4O3
Molar mass	100.073 g·mol−1
Appearance	Colorless crystalline needles
Density	1.23 g/cm3
Melting point	119 to 120 °C (246 to 248 °F; 392 to 393 K)
Boiling point	261 °C (502 °F; 534 K)
Solubility in water	Decomposes
Magnetic susceptibility (χ)	-47.5·10−6 cm3/mol
Hazards
Flash point	147 °C (297 °F; 420 K)
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	1510 mg/kg (oral, rat)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Succinic anhydride, is an organic compound with the molecular formula (CH₂CO)₂O. This colorless solid is the acid anhydride of succinic acid.

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