Chemistry:2,5-Dimethylthiophene

2,5-Dimethylthiophene

Names
Preferred IUPAC name 2,5-Dimethylthiophene
Identifiers
CAS Number	638-02-8
3D model (JSmol)	Interactive image
ChemSpider	11998
EC Number	211-313-9
PubChem CID	12514
UNII	V6DDX6WB12
CompTox Dashboard (EPA)	DTXSID2074295
InChI InChI=1S/C6H8S/c1-5-3-4-6(2)7-5/h3-4H,1-2H3 Key: GWQOOADXMVQEFT-UHFFFAOYSA-N
SMILES CC1=CC=C(S1)C
Properties
Chemical formula	C6H8S
Molar mass	112.19 g·mol−1
Appearance	Colorless liquid
Density	0.9836 g/cm3
Melting point	−62.6 °C (−80.7 °F; 210.6 K)
Boiling point	136.5 °C (277.7 °F; 409.6 K)
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H226
GHS precautionary statements	P210, P233, P240, P241, P242, P243, P280, P303+361+353, P370+378, P403+235, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

2,5-Dimethylthiophene is an organosulfur compound with the formula C₄H₂(CH₃)₂S. It is one of four isomers of dimethylthiophene. A colorless liquid, it is prepared by sulfurization of hexane-2,5-dione. It is approved as a food flavouring additive in Europe.