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

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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
  • (3-((6-Ethyl-5-fluoropyrimidin-4-yl)oxy)pyrrolidin-1-yl)(3-phenylbenzo[c]isoxazol-5-yl)methanone
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 6-Fluoropyridine-3-sulfonyl fluoride
  • 2-Bromo-5-(trifluoromethyl)benzo[d]oxazole
  • 6-Chloro-[3,3'-bipyridine]-5-carbaldehyde
  • 1,2,4-Trifluoro-5-(1-isocyanatocyclopropyl)benzene
  • 3-Chloro-4-(2,5-dichlorophenyl)-6-{hydroxy[4-(prop-2-enoyl)piperazin-1-yl]methylidene}cyclohexa-2,4-dien-1-one
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-