Diethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate
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
Precursor & DownStream
Precursor
DownStream
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%