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3-Methylthiophene

3-Methylthiophene Structure
3-Methylthiophene
  • CAS No.616-44-4
  • Chemical Name:3-Methylthiophene
  • CBNumber:CB2664882
  • Molecular Formula:C5H6S
  • Formula Weight:98.17
  • MOL File:616-44-4.mol
3-Methylthiophene Property
  • Melting point: :−69 °C(lit.)
  • Boiling point: :114 °C738 mm Hg(lit.)
  • Density  :1.016 g/mL at 25 °C(lit.)
  • vapor pressure  :42.4 mm Hg ( 37.7 °C)
  • refractive index  :n20/D 1.519(lit.)
  • Flash point: :52 °F
  • storage temp.  :Flammables area
  • solubility  :0.40g/l
  • form  :Liquid
  • color  :Clear colorless to light yellow
  • Specific Gravity :1.016
  • Water Solubility  :insoluble
  • BRN  :1300
  • InChIKey :QENGPZGAWFQWCZ-UHFFFAOYSA-N
  • CAS DataBase Reference :616-44-4(CAS DataBase Reference)
  • EWG's Food Scores :1
  • FDA UNII :FK9ID0X5QV
  • NIST Chemistry Reference :Thiophene, 3-methyl-(616-44-4)
  • EPA Substance Registry System :Thiophene, 3-methyl- (616-44-4)
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H225-H302-H331-H332
  • Precautionary statements P280a-P303+P361+P353-P304+P340-P501a-P210-P261-P304+P340+P312-P370+P378-P403+P233-P403+P235
3-Methylthiophene Price More Price(8)
  • Brand: Sigma-Aldrich
  • Product number: M84402
  • Product name : 3-Methylthiophene
  • Purity: 98%
  • Packaging: 25g
  • Price: $36.5
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 53386
  • Product name : 3-Methylthiophene
  • Purity: analytical standard
  • Packaging: 1ml
  • Price: $61.5
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: M0440
  • Product name : 3-Methylthiophene
  • Purity: >98.0%(GC)
  • Packaging: 25g
  • Price: $17
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: M0440
  • Product name : 3-Methylthiophene
  • Purity: >98.0%(GC)
  • Packaging: 500g
  • Price: $168
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: A13394
  • Product name : 3-Methylthiophene, 98+%
  • Purity: 
  • Packaging: 25g
  • Price: $35.5
  • Updated: 2019/12/02
  • Buy: Buy

3-Methylthiophene Chemical Properties,Usage,Production

  • Chemical Properties clear colorless to light yellow liquid
  • Uses A thiophene derivative used as an electropolymerization monomer in conducting polymer research.
  • Uses Conducting polymer precursor.1
  • Uses Thiophene, 2-methyIthiopheney and 3-methylthiophene act as inhibitors for the polymerization of trichloroethylene in a solvent used for the degreasing of iron and aluminum, said polymerization being catalyzed by contact of the solvent with the metals. Bonz, in 1885, reported the formation of a dichloroethylthiophene from chlorination of 2-ethylthiophene in the cold. Is Opolski studied the chlorination of 2- and 3-methylthiophenes, 2-ethyl- and 2-butylthiophene and reported constants for the monochloro derivatives. Voerman has chlorinated 3-methylthiophene in the side chain with phosphorus trichloride in the sunlight, but concurrent ring chlorination predominates. 3-Methylthiophene gives a unique reaction with alkyl- or arylsodium in which the substitution takes place exclusively in the 5-position rather than in the expected 2-position.
  • Uses 3-Methylthiophene is found in coffee and coffee products. it is a maillard product, present in roast coffee aroma.
    3-Methylthiophene is a member of thiophenes. Conducting polymer precursor. Copolymerization of 3-alkylthiophene and 3-methylthiophene is a promising approach to provide a polymer which has both solution processible property and high electrical conductivity.
  • Purification Methods Dry it with Na2SO4, then distil it from sodium. [Beilstein 17 III/IV 277, 17/1 V 331.]
3-Methylthiophene Preparation Products And Raw materials
Raw materials
Preparation Products
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