{{Chembox | ImageFile = 3-MeT.svg | ImageSize = 120 px | ImageAlt = | PIN = 3-Methylthiophene | OtherNames = 3-Thiotolene |Section1={{Chembox Identifiers | CASNo = 616-44-4 | PubChem = 12024 | EC_number = 210-482-6 | ChEBI = 89007 | UNII = FK9ID0X5QV | ChemSpiderID = 21111820 | StdInChI=1S/C5H6S/c1-5-2-3-6-4-5/h2-4H,1H3 | StdInChIKey = QENGPZGAWFQWCZ-UHFFFAOYSA-N | SMILES = CC1=CSC=C1 }} |Section2={{Chembox Properties | C=5|H=6|S=1 | MolarMass = | Appearance = colorless liquid | Density = 1.016 g/cm<sup>3</sup> | MeltingPtC = -69 | BoilingPtC = 114 | Solubility = 0.4 g/l }} |Section3={{Chembox Hazards | GHSPictograms = {{GHS02}}{{GHS07}} | GHSSignalWord = Danger | HPhrases = {{H-phrases|225|302|312|315|319|332|335}} | PPhrases = {{P-phrases|210|233|240|241|242|243|261|264|270|271|280|301+312|302+352|303+361+353|304+312|304+340|305+351+338|312|321|322|330|332+313|337+313|362|363|370+378|403+233|403+235|405|501}} | MainHazards = | FlashPt = | AutoignitionPt = }} }}
'''3-Methylthiophene''' is an organosulfur compound with the formula CH<sub>3</sub>C<sub>4</sub>H<sub>3</sub>S. It is a colorless, flammable liquid. It can be produced by sulfidation of 2-methylsuccinate.<ref>{{cite journal|title=3-Methylthiophene|author1=R. F. Feldkamp |author2=B. F. Tullar|journal=Org. Synth.|year=1954|volume=34|page=73|doi=10.15227/orgsyn.034.0073}}</ref> Like its isomer 2-methylthiophene, its commercial synthesis involvess vapor-phase dehydrogenation of suitable precursors. 3-Methylthiophene is a precursor to the drug thenyldiamine and the pesticide morantel.<ref name="Ullmann">{{cite book| first = Jonathan | last = Swanston |chapter = Thiophene | title = Ullmann's Encyclopedia of Industrial Chemistry | publisher = Wiley-VCH | location = Weinheim | date = 2006 | doi = 10.1002/14356007.a26_793.pub2| isbn = 3527306730 }}.</ref>
==References== {{reflist}}
{{DEFAULTSORT:Methylthiophene, 3-}} Category:Thiophenes Category:Methyl compounds