Title: Succinic Anhydride
CAS Registry Number: 108-30-5
CAS Name: Dihydro-2,5-furandione
Synonyms: succinic acid anhydride; succinyl oxide; 2,5-diketotetrahydrofuran; butanedioic anhydride
Trademarks: Bernsteins?ureanhydrid (German)
Molecular Formula: C4H4O3
Molecular Weight: 100.07
Percent Composition: C 48.01%, H 4.03%, O 47.96%
Literature References: Usually prepd by warming succinic acid with acetic anhydride, acetyl chloride, or phosphorus oxychloride: Shriner, Struck,
Org. Synth. 12, 66 (1932); L. F. Fieser,
Experiments in Organic Chemistry (Boston, 3rd ed., 1955) p 105.
Properties: Orthorhombic prisms from abs alc. d 1.503 (also given as 1.104 and 1.234). Rate of sublimation: Kempf,
J. Prakt. Chem. [2]
78, 257 (1908). mp 119.6°; bp760 261°; bp400 237°; bp200 212°; bp100 189°; bp60 174°; bp40 163°; bp20 145°; bp10 128°. Sublimes at 115° and 5 mm pressure, at 92° and 1.0 mm pressure. Soluble in chloroform, carbon tetrachloride, alcohol; very slightly sol in ether and water.
Melting point: mp 119.6°
Boiling point: bp760 261°; bp400 237°; bp200 212°; bp100 189°; bp60 174°; bp40 163°; bp20 145°; bp10 128°
Density: d 1.503 (also given as 1.104 and 1.234)
