3,4-Dimethoxythiophene

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Names

[ CAS No. ]:
51792-34-8

[ Name ]:
3,4-Dimethoxythiophene

[Synonym ]:
2,3-dimethoxythiophene
Thiophene, 3,4-dimethoxy-
3,4-Dimethoxythiophene
3,4-Dimethoxythiophen
MFCD01096546
3,4-dimethoxytiophene
3,4-dimethoxy thiophene

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
184.4±20.0 °C at 760 mmHg

[ Molecular Formula ]:
C6H8O2S

[ Molecular Weight ]:
144.191

[ Flash Point ]:
65.3±21.8 °C

[ Exact Mass ]:
144.024506

[ PSA ]:
46.70000

[ LogP ]:
1.63

[ Vapour Pressure ]:
1.0±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.511

[ Storage condition ]:
?20°C

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302

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

[ Hazard Codes ]:
Xn:Harmful;

[ Risk Phrases ]:
R22

[ Safety Phrases ]:
S26-S36/37/39

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3,4-Dibromothiophene
  • 3,4-dimethoxythiophene-2,5-dicarboxylic acid
  • Dimethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate
  • Dimethyl sulfate
  • Methanol
  • 2,3-Dimethoxy-1,3-butadiene
  • Sodium Methylate
  • diethyl 3,4-dimethoxythiophene-2,5-dicarboxylate
  • dimethyl 3,4-dimethoxythiophene-2,5-dicarboxylate
  • diazomethane

DownStream

  • 3,4-dihexoxythiophene
  • 3-phenyl-2,3-dihydrothieno[3,4-b][1,4]dioxine
  • 3 4-(2' 2'-DIMETHYLPROPYLENE)DIOXYTHIOPH
  • thieno[3,4-b][1,4]dioxine
  • 3,3-diethyl-2,4-dihydrothieno[3,4-b][1,4]dioxepine
  • 3,4-Propylenedioxythiophene
  • 2,3-Dihydrothieno[3,4-b][1,4]dithiine
  • 3,4-Ethylenedioxythiophene
  • THIENO[3,4-B]-1,4-DIOXIN, 2,3-DIHYDRO-2-METHYL-
  • 3,3-dihexyl-2,4-dihydrothieno[3,4-b][1,4]dioxepine

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

First triazole-bridged unsymmetrical porphyrin dyad via click chemistry.

J. Org. Chem. 73 , 323, (2008)

Click chemistry has been successfully applied in the synthesis of the first example of a triazole-bridged porphyrin dyad containing N(2)S(2) porphyrin and N(4) or ZnN(4) porphyrin subunits, and fluore...


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Related Compounds

  • 2,5-Dibromo-3,4-dimethoxythiophene
  • 3,4-dimethoxythiophenedicarboxylic acid
  • Tetrahydro-3,4-dimethoxythiophene 1,1-dioxide
  • Tetrahydro-3,4-dimethoxythiophene 1,1-dioxide
  • diethyl 3,4-dimethoxythiophene-2,5-dicarboxylate
  • dimethyl 3,4-dimethoxythiophene-2,5-dicarboxylate
  • 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
  • 2-{[3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]oxy}-3-methoxypropanoic acid
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide