Diethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate

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Names

[ CAS No. ]:
1822-66-8

[ Name ]:
Diethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate

[Synonym ]:
2,5-bis(ethoxycarbonyl)-3,4-dihydroxythiophene
2,5-Bis(ethoxycarbonyl)thiophene-3,4-diol
Diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate
ethyl 3,4-dihydroxy-2,5-thiophene-dicarboxylate
ethyl 3,4-dihydroxythiophene-2,5-dicarboxylate
diethyl 3,4-dihydroxythiphene-2,5-dicarboxylate
Diethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate
2,5-Thiophenedicarboxylic acid, 3,4-dihydroxy-, diethyl ester
ethyl 5-(ethoxycarbonyl)-3,4-dihydroxythiophene-2-carboxylate
3,4-dihydroxy-2,5-thiophenedicarboxylic acid diethyl ester
MFCD03094035
2,5-bis[ethoxy(hydroxy)methylidene]thiolane-3,4-dione
3,4-Dihydroxythiophene-2,5-dicarboxylic acid diethyl ester

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
397.7±37.0 °C at 760 mmHg

[ Melting Point ]:
132-135ºC(lit.)

[ Molecular Formula ]:
C10H12O6S

[ Molecular Weight ]:
260.264

[ Flash Point ]:
194.3±26.5 °C

[ Exact Mass ]:
260.035461

[ PSA ]:
121.30000

[ LogP ]:
4.11

[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C

[ Index of Refraction ]:
1.578

Safety Information

[ Hazard Codes ]:
T: Toxic;Xi: Irritant;

[ Risk Phrases ]:
61-20/21-36-36/37/38

[ Safety Phrases ]:
53-45-36-26

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Diethyl 2,2'-sulfanediyldiacetate
  • Diethyloxalate
  • 3,4-Dihydroxy-2,5-thiophenedicarboxylic acid 2,5-diethyl ester sodium salt

DownStream

  • 3,4-didecoxythiophene-2,5-dicarboxylic acid
  • 2,5-Thiophenedicarboxylicacid, 3,4-dihydroxy-
  • Diethyl 2,3-dihydrothieno[3,4-b][1,4]dioxine-5,7-dicarboxylate
  • 3 4-PROPYLENEDIOXYTHIOPHENE-2 5-DICARBO&
  • 2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid
  • diethyl 3,4-bis(phenylmethoxy)thiophene-2,5-dicarboxylate
  • 3,4-dimethoxythiophene-2,5-dicarboxylic acid
  • thieno[3,4-d][1,3]dioxole-4,6-dicarboxylic acid

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

  • Dimethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate
  • diethyl 3,4-dihydroxy-1-phenyl-1H-pyrrole-2,5-dicarboxylate
  • 2-[3,4-dihydroxy-2,5-bis[(2,4,6-tripropan-2-ylphenyl)sulfonyloxymethyl]oxolan-2-yl]oxy-6-[(2,4,6-tripropan-2-ylphenyl)sulfonyloxymethyl]oxane-3,4,5-triol
  • Mannosulfan
  • 6-[3,4-dihydroxy-2,5-bis(methylsulfonyloxymethyl)oxolan-2-yl]oxy-5-methylsulfonyloxy-2-(methylsulfonyloxymethyl)oxane-3,4-diol
  • 2-[3,4-dihydroxy-2,5-bis[(2,4,6-trimethylphenyl)sulfonyloxymethyl]oxolan-2-yl]oxy-6-[(2,4,6-trimethylphenyl)sulfonyloxymethyl]oxane-3,4,5-triol
  • [(1-cyclopentyl-1H-pyrazol-4-yl)methyl][(1,5-dimethyl-1H-pyrazol-4-yl)methyl]amine
  • [(1-cyclopentyl-1H-pyrazol-4-yl)methyl][(1-ethyl-1H-pyrazol-5-yl)methyl]amine
  • [(1-cyclopentyl-1H-pyrazol-4-yl)methyl][(1-propyl-1H-pyrazol-4-yl)methyl]amine
  • N-[(1-cyclopentyl-1H-pyrazol-4-yl)methyl]-1,3-dimethyl-1H-pyrazol-5-amine
  • n-[(1-Cyclopentyl-1h-pyrazol-4-yl)methyl]-1,4-dimethyl-1h-pyrazol-3-amine
  • N-[(1-cyclopentyl-1H-pyrazol-4-yl)methyl]-1,4-dimethyl-1H-pyrazol-5-amine
  • N-[(1-cyclopentyl-1H-pyrazol-4-yl)methyl]-1-ethyl-3-methyl-1H-pyrazol-5-amine
  • {[1-(2,2-difluoroethyl)-5-methyl-1H-pyrazol-4-yl]methyl}[(1-ethyl-1H-pyrazol-4-yl)methyl]amine
  • N-[(1-cyclopentyl-1H-pyrazol-4-yl)methyl]-1-ethyl-5-methyl-1H-pyrazol-4-amine
  • N-[(1-cyclopentyl-1H-pyrazol-4-yl)methyl]-1-propyl-1H-pyrazol-4-amine
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