2,3-Dihydrothiophene

2,3-Dihydrothiophene
Names
	IUPAC name 2,3-Dihydrothiophene
Identifiers
CAS Number	1120-59-8 ;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	120627 ;
PubChem CID	136880;
CompTox Dashboard (EPA)	DTXSID20149809 ;
	InChI InChI=1S/C4H6S/c1-2-4-5-3-1/h1,3H,2,4H2 Key: OXBLVCZKDOZZOJ-UHFFFAOYSA-N ; InChI=1/C4H6S/c1-2-4-5-3-1/h1,3H,2,4H2 Key: OXBLVCZKDOZZOJ-UHFFFAOYAG;
	SMILES C1CSC=C1; S1\C=C/CC1;
Properties
Chemical formula	C4H6S
Molar mass	86.16 g/mol
Appearance	colorless liquid
	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

Dihydrothiophene is a heterocyclic compound and an organosulfur compound with the formula SC₄H₆. Two isomers exist, the 2,3-dihydro- (depicted above) and the more symmetrical 2,5-dihydro isomer (CAS# 1708-32-3). Both are colorless liquids with characteristic fragrance of thioethers. In terms of their reactivity, both isomers exhibit characteristics of alkenes and thioethers, undergoing addition reactions at carbon and oxidation at sulfur. In contrast, thiophene engages in neither reaction.^[1]

References

^ Shvekhgeimer, M. G. A., "Dihydrothiophenes. Synthesis and properties (review)", Chemistry of Heterocyclic Compounds 1998, 34, 1101-1122. doi:10.1007/BF02319487

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[1] Shvekhgeimer, M. G. A., "Dihydrothiophenes. Synthesis and properties (review)", Chemistry of Heterocyclic Compounds 1998, 34, 1101-1122. doi:10.1007/BF02319487

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