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3-Methylthiophene

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3-Methylthiophene
Names
Preferred IUPAC name 3-Methylthiophene
Other names 3-Thiotolene
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.009.530 Edit this at Wikidata
EC Number
  • 210-482-6
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C5H6S/c1-5-2-3-6-4-5/h2-4H,1H3Key: QENGPZGAWFQWCZ-UHFFFAOYSA-N
SMILES
  • CC1=CSC=C1
Properties
Chemical formula C5H6S
Molar mass 98.16 g·mol
Appearance colorless liquid
Density 1.016 g/cm
Melting point −69 °C (−92 °F; 204 K)
Boiling point 114 °C (237 °F; 387 K)
Solubility in water 0.4 g/l
Hazards
GHS labelling:
Pictograms GHS02: FlammableGHS07: Exclamation mark
Signal word Danger
Hazard statements H225, H302, H312, H315, H319, H332, H335
Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P280, P301+P312, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P370+P378, P403+P233, P403+P235, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

3-Methylthiophene is an organosulfur compound with the formula CH3C4H3S. It is a colorless, flammable liquid. It can be produced by sulfidation of 2-methylsuccinate. 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.


References

  1. R. F. Feldkamp; B. F. Tullar (1954). "3-Methylthiophene". Org. Synth. 34: 73. doi:10.15227/orgsyn.034.0073.
  2. Swanston, Jonathan (2006). "Thiophene". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a26_793.pub2. ISBN 3527306730..
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