3,4-Dimethylthiophene

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Names

[ CAS No. ]:
632-15-5

[ Name ]:
3,4-Dimethylthiophene

[Synonym ]:
T5SJ C1 D1
Thiophene, 3,4-dimethyl-
3,4-dimethyl-thiophene
3,4-Dimethylthiophene
DiMethylthiophene (Me2Thio)

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
146.5±9.0 °C at 760 mmHg

[ Melting Point ]:
50-54ºC

[ Molecular Formula ]:
C6H8S

[ Molecular Weight ]:
112.193

[ Flash Point ]:
26.7±4.9 °C

[ Exact Mass ]:
112.034668

[ PSA ]:
28.24000

[ LogP ]:
2.82

[ Appearance of Characters ]:
liquid (estimate)

[ Vapour Pressure ]:
5.8±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.527

Safety Information

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
22-36-43

[ Safety Phrases ]:
26-36/37

[ RIDADR ]:
1993

[ Packaging Group ]:
Ⅲ

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,3-DIMETHYL-1,3-BUTADIENE
  • 3,4-Dimethyl-2,5-thiophenedicarboxylic acid
  • 3,4-Dibromothiophene
  • METHYLMAGNESIUM IODIDE
  • (Z,Z)-Bis(1-propenyl) disulfide
  • trans,trans-dipropenyldisulfane
  • 3-Bromo-4-methylthiophene
  • Dimethyl sulfate
  • (E)-1-propenyl (Z)-1-propenyl disulfide

DownStream

  • 2,3,5-Trimethylthiophene
  • 3,4-Dimethylthiophene-2-carboxylic acid
  • Thiophene(SIV)
  • methylthiol
  • 2,4-DIMETHYLTHIOPHENE
  • Toluene
  • 2,3-Dimethylthiophene
  • 2,5-Dimethylthiophene
  • 3-Methylthiophene
  • benzene

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 2-bromo-3,4-dimethylthiophene
  • 3,4-dimethylthiophene-2,5-dione
  • 2,5-diiodo-3,4-dimethylthiophene
  • 3,4-dimethylthiophene 1,1-dioxide
  • 2,5-dibromo-3,4-dimethylthiophene
  • 2,5-Dicyano-3,4-dimethylthiophene
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide
  • N-[3-(Aminooxy)propyl]-N-butyl-1-butanamine