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
  • Pentasodium bis(5-((4-amino-6-chloro-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((2-hydroxy-5-nitrophenyl)azo)naphthalene-2,7-disulphonato(4-))chromate(5-)
  • Trisodium (3-((4-((5-((((2,3-dichloroquinoxalin-6-yl)carbonyl)methylamino)methyl)-2-sulphophenyl)azo)-2-hydroxy-5-methylphenyl)azo)-4-hydroxynaphthalene-2,7-disulphonato(5-))cuprate(3-)
  • Trihydrogen (2-((4-((6-((4-amino-6-chloro-1,3,5-triazin-2-yl)methylamino)-1-hydroxy-3-sulpho-2-naphthyl)azo)-5-hydroxy-o-tolyl)azo)benzene-1,4-disulphonato(5-))cuprate(3-)
  • Chromate(3-), (3-hydroxy-4-((2-hydroxy-1-naphthalenyl)azo)-7-nitro-1-naphthalenesulfonato(3-))(2-hydroxy-3-(((2-hydroxy-5-((4-(phenylazo)phenyl)azo)phenyl)methylene)amino)-5-nitrobenzenesulfonato(3-))-, trihydrogen
  • 2-Bromo-6-(methoxymethoxy)benzaldehyde
  • 2-(4-Methoxyphenyl)-6-phenylpyridine-4-carbaldehyde
  • B-(2,3-dihydro-3-methyl-2-oxo-1H-benzimidazol-5-yl)Boronic acid
  • Tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate
  • 4,4,5,5-Tetramethyl-2-[4-(1-phenyl-ethoxy)-phenyl]-[1,3,2]dioxaborolane
  • Methyl 4-bromo-2-chloro-5-methylbenzoate
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