5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine

Modify Date: 2025-11-04 20:32:31

5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine Structure
5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine structure
 Common Name 5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine
CAS Number 640737-72-0 Molecular Weight 393.96900
Density N/A Boiling Point N/A
Molecular Formula C6H4I2O2S Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C6H4I2O2S
Molecular Weight 393.96900
Exact Mass 393.80200
PSA 46.70000
LogP 2.72850

 Safety Information

HS Code 2934999090

 Synthetic Route

3,4-Ethylenedioxythiophene structure

3,4-Ethylenedio...

CAS#:126213-50-1

~90%

5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine Structure

5,7-Diiodo-2,3-...

CAS#:640737-72-0

Literature: Zhao, Xiaoyong; Pinto, Mauricio R.; Hardison, Lindsay M.; Mwaura, Jeremiah; Mueller, Juergen; Jiang, Hui; Witker, David; Kleiman, Valeria D.; Reynolds, John R.; Schanze, Kirk S. Macromolecules, 2006 , vol. 39, # 19 p. 6355 - 6366
2,5-diacetoxymercuro-3,4-ethylenedioxythiophene structure

2,5-diacetoxyme...

CAS#:640737-73-1

~56%

5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine Structure

5,7-Diiodo-2,3-...

CAS#:640737-72-0

Literature: Meng, Hong; Perepichka, Dmitrii F.; Bendikov, Michael; Wudl, Fred; Pan, Grant Z.; Yu, Wenjiang; Dong, Wenjian; Brown, Stuart Journal of the American Chemical Society, 2003 , vol. 125, # 49 p. 15151 - 15162

 Precursor & DownStream

Precursor  1

DownStream  0

 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

5,7-diiodo-2H,3H-thieno[3,4-b][1,4]dioxine
2,5-diiodo-3,4-ethylenedioxythiophene
3,4-ethylenedioxy-2,5-diiodothiophene
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Chemsrc provides CAS#:640737-72-0 MSDS, density, melting point, boiling point, structure, etc. Its name is 5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine>> amp version: 5,7-Diiodo-2,3-dihydrothieno[3,4-b][1,4]dioxine

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