Sulfolene

Sulfolene^[1]
Names
	Preferred IUPAC name 2,5-Dihydro-1H-1λ6-thiophene-1,1-dione
	Other names 2,5-Dihydrothiophene 1,1-dioxide; Butadiene sulfone; 3-Sulfolene
Identifiers
CAS Number	77-79-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	6253;
ECHA InfoCard	100.000.964
PubChem CID	6498;
UNII	Z6003L44MN ;
CompTox Dashboard (EPA)	DTXSID6021294 ;
	SMILES C1C=CCS1(=O)=O;
Properties
Chemical formula	C4H6O2S
Molar mass	118.15 g·mol−1
Melting point	65 to 66 °C (149 to 151 °F; 338 to 339 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Sulfolene, or butadiene sulfone is a cyclic organic chemical with a sulfone functional group. It is a white, odorless, crystalline, indefinitely storable solid, which dissolves in water and many organic solvents.^[2] The compound is used as a source of butadiene.^[3]

^ Sulfolene at Sigma-Aldrich
^ J. M. McIntosh (2001). "3-Sulfolene". E-EROS Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.rs130. ISBN 0471936235.
^ Sample, Thomas E.; Hatch, Lewis F. (Jan 1968). "3-Sulfolene: A Butadiene Source for a Diels-Alder Synthesis". Journal of Chemical Education. 45 (1): 55. doi:10.1021/ed045p55.

[1] Sulfolene at Sigma-Aldrich

[e-EROS-2] J. M. McIntosh (2001). "3-Sulfolene". E-EROS Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.rs130. ISBN 0471936235.

[JCE-3] Sample, Thomas E.; Hatch, Lewis F. (Jan 1968). "3-Sulfolene: A Butadiene Source for a Diels-Alder Synthesis". Journal of Chemical Education. 45 (1): 55. doi:10.1021/ed045p55.

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