2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid

Modify Date: 2024-01-14 09:06:48

2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid Structure
2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid structure
Common Name 2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid
CAS Number 18361-03-0 Molecular Weight 230.19500
Density 1.732 g/cm3 Boiling Point 482.6ºC at 760 mmHg
Molecular Formula C8H6O6S Melting Point N/A
MSDS N/A Flash Point 245.6ºC

 Names

Name 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5,7-dicarboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.732 g/cm3
Boiling Point 482.6ºC at 760 mmHg
Molecular Formula C8H6O6S
Molecular Weight 230.19500
Flash Point 245.6ºC
Exact Mass 229.98900
PSA 121.30000
LogP 0.91570
Vapour Pressure 4.01E-10mmHg at 25°C
Index of Refraction 1.663

 Safety Information

Hazard Codes Xi
HS Code 2934999090

 Synthetic Route

~99%

2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid Structure

2,3-Dihydro-thi...

CAS#:18361-03-0

Literature: Coffey; McKellar; Reinhardt; Nijakowski; Feld Synthetic Communications, 1996 , vol. 26, # 11 p. 2205 - 2212

~75%

2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid Structure

2,3-Dihydro-thi...

CAS#:18361-03-0

Literature: Rauchschwalbe, Gunter; Klausener, Alexander; Bremen, Josef; Schenkel, Ralf-Ingo; Winkler, Adolf Patent: US2003/97007 A1, 2003 ;

~74%

2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid Structure

2,3-Dihydro-thi...

CAS#:18361-03-0

Literature: Bayer Aktiengesellschaft Patent: EP1167368 A1, 2002 ; Location in patent: Page 5-6 ;

~%

2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid Structure

2,3-Dihydro-thi...

CAS#:18361-03-0

Literature: Journal of Materials Chemistry, , vol. 15, # 45 p. 4783 - 4792

~%

2,3-Dihydro-thieno[3,4-b]-1,4-dioxin-5,7-dicarboxylic acid Structure

2,3-Dihydro-thi...

CAS#:18361-03-0

Literature: Journal of Chemical Research, , vol. 35, # 6 p. 339 - 340

 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%

 Synonyms

3,4-Ethylenedioxythiophene-2,5-dicarboxylic Acid
2,5-Dicarboxylic acid-3,4-ethylene dioxythiophene
3,4-ethylenedioxythiophenedicarboxylic acid
Thieno[3,4-B]-1,4-Dioxin-5,7-DicarboxylicAcid,2,3-Dihydro
3,4-ethylenedioxy-2,5-dicarboxythiophene
3,4-ethylenedioxythiophene-2,5-dicarboxyllic acid
2,3-Dihydro-thieno[3,4-b]-p-dioxin-5,7-dicarboxylic acid
2,5-dicarboxy-3,4-ethylenedioxythiophene
3,4-Ethylendioxythiophen-2,5-dicarbonsure
3,4-ethylenedioxythiophene-2,5-dicarboxylic acid
3,4-ETHYLENEDIOXOTHIOPHENE-2,5-DICARBOXYLIC ACID
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