3-Ethynylthiophene

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Names

[ CAS No. ]:
67237-53-0

[ Name ]:
3-Ethynylthiophene

[Synonym ]:
MFCD04039973
Thiophene,3-ethynyl
3-Thienylacetylene
3-ethenyl-thiophene
(Thien-3-yl)acetylene
3-thiofuranyl acetylene
3-Ethynylthiophene
3-thiopheneacetylene
3-Ethynyl thiophene
Thiophene, 3-ethynyl-
(thiophen-3-yl)acetylene

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
150.0±13.0 °C at 760 mmHg

[ Molecular Formula ]:
C6H4S

[ Molecular Weight ]:
108.161

[ Flash Point ]:
28.4±6.0 °C

[ Exact Mass ]:
108.003372

[ PSA ]:
28.24000

[ LogP ]:
1.88

[ Appearance of Characters ]:
Liquid | Colorless to yellow to orange

[ Vapour Pressure ]:
5.0±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.571

[ Storage condition ]:
Room temperature.

[ Water Solubility ]:
Slightly soluble in water.

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS02, GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H226-H315-H318-H335

[ Precautionary Statements ]:
P261-P280-P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R10;R37/38;R41

[ Safety Phrases ]:
S16-S26-S39

[ RIDADR ]:
UN 1993

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ Hazard Class ]:
3.0

[ HS Code ]:
2934999090

Precursor & DownStream

Precursor

  • 2-methyl-4-thiophen-3-ylbut-3-yn-2-ol
  • Trimethyl(3-thienylethynyl)silane
  • 3-(2,2-dibromoethenyl)thiophene
  • 3-Thiophenecarboxaldehyde
  • 3-Thiophenecarbonyl chloride
  • 3-Bromothiophene
  • 3-Methyl butynol

DownStream

  • 2-phenyl-4-(thien-3-yl-ethynyl)-5-(thien-3-yl)oxazole
  • Benzamide
  • 4-Methoxybenzamide
  • Thiophene-3-carboxylic acid
  • methyl thiophene-3-acetate
  • (E)-4,4,5,5-TETRAMETHYL-2-(2-(THIOPHEN-3-YL)VINYL)-1,3,2-DIOXABOROLANE
  • 1,3,5-TRI(THIOPHEN-2-YL)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%

Articles

Silver-Mediated Synthesis of Indolizines via Oxidative C-H functionalization and 5- endo-dig cyclization.

Tetrahedron Lett. 55(50) , 6922-6924, (2014)

An efficient strategy for the synthesis of indolizines from readily available starting materials via oxidative C-H functionalization and 5-endo-dig cyclization in one step has been demonstrated. This ...


More Articles

Related Compounds

  • 2,5-dimethyl-3-ethynylthiophene
  • 3-ethynylthiophene-2-carbaldehyde
  • 2,5-bis(2'-(3',4'-ethylenedioxy)thienyl)-3-ethynylthiophene
  • 3-(t-butylsulfanyl)-2-ethynylthiophene
  • 3,4-dibutyl-2-ethynylthiophene
  • 3,4-dibutyl-5-ethynylthiophene-2-carbaldehyde
  • 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
  • 9-[(3,4-Dimethylphenyl)methyl]-5-oxa-2,8-diazaspiro[3.5]nonane
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • 1-[(4-Bromo-3-chlorophenyl)methyl]cyclopropane-1-carboxylic acid
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 2-Ethyl-5-({[(oxiran-2-yl)methyl]sulfanyl}methyl)furan
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde