2-ethynyl-5-methylthiophene

Suppliers

Names

[ CAS No. ]:
81294-10-2

[ Name ]:
2-ethynyl-5-methylthiophene

[Synonym ]:
5-methyl-thien-2-ylacetylene
5-methyl-2-thienylacetylene
Thiophene, 2-ethynyl-5-methyl-
Thiophene,2-ethynyl-5-methyl
2-Ethynyl-5-methylthiophene
2-ethynyl-5-methyl-thiophene

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
181.5±28.0 °C at 760 mmHg

[ Molecular Formula ]:
C7H6S

[ Molecular Weight ]:
122.188

[ Flash Point ]:
43.3±10.2 °C

[ Exact Mass ]:
122.019020

[ PSA ]:
28.24000

[ LogP ]:
2.54

[ Vapour Pressure ]:
1.2±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.558

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-(2,2-dibromoethenyl)-5-methylthiophene
  • 2-Iodo-5-methylthiophene
  • Bromo(ethynyl)magnesium
  • 5-Methyl-2-thiophenecarboxaldehyde

DownStream

Related Compounds

  • 2-ethynyl-5-hexylthiophene
  • 2-ethynyl-5-(5-ethynylthiophen-2-yl)thiophene
  • 2-Ethynyl-5-fluoro-pyrimidine
  • 2-ethynyl-5-octylfuran
  • 2-Ethynyl-5-methoxypyrazine
  • 2-ethynyl-5-methylpyrazine
  • 3-(2-((Cyclobutylmethyl)(phenethyl)amino)ethyl)-2-fluorophenol
  • 3-(2-((Cyclohexylmethyl)(4-hydroxyphenethyl)amino)ethyl)phenol
  • 3-(2-((Cyclohexylmethyl)(phenethyl)amino)ethyl)phenol
  • 3-(2-((Cyclobutylmethyl)(4-hydroxyphenethyl)amino)ethyl)phenol
  • 1-[(6-Amino-3-pyridinyl)methyl]-2-imidazolidinone
  • 6-Ethynyl-2-methyl-1H-indole
  • 2-(4-Hydroxyphenyl)-N-(3-methoxyphenethyl)acetamide
  • 8-(Methylamino)isoquinolin-1-ol
  • {[(1,5-Dibromopentan-3-yl)oxy]methyl}benzene
  • US10343992, Example 77
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