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

5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine Basic information
Product Name:5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
Synonyms:5,7-DIBROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE;5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine 97%;5,7-dibroMo-2H,3H-thieno[3,4-b][1,4]dioxine;2,3-Dihydro[2,5-dibroMothioeno] [3,4-b]-1,4-dioxin;4-b][1;2,5-Dibromo-3,4-ethylenedioxythiophene 97%;5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine97%;2,5-Dibromo-3,4-ethylenedioxythiophene>
CAS:174508-31-7
MF:C6H4Br2O2S
MW:299.97
EINECS:
Product Categories:Thiophen;Materials Science;New Products for Materials Research and Engineering;Organic and Printed Electronics;Synthetic Intermediates;Synthetic Tools and Reagents;Heterocyclic Compounds;Thiophens;Thiophene Monomers and Building Blocks
Mol File:174508-31-7.mol
5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine Structure
5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine Chemical Properties
Melting point 98 °C
Boiling point 306.5±42.0 °C(Predicted)
density 2.139±0.06 g/cm3(Predicted)
storage temp. -20°C
solubility Chloroform (Slightly), Methanol (Slightly)
form Solid
color Grey to Dark Blue
CAS DataBase Reference174508-31-7
Safety Information
Hazard Codes Xn
Risk Statements 20/21/22-36/37/38-22
Safety Statements 22-26-36/37/39-24/25
WGK Germany 3
Hazard Note Irritant
HS Code 29349990
MSDS Information
5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine Usage And Synthesis
Chemical PropertiesNeedle-like solid
Uses5,7-Dibromo-2,3-dihydrothieno[3,4-b]-1,4-dioxine is used in the preparation of 3,4-ethylenedioxythiophene oligomers with optical and redox properties.
UsesUsed as a monomer in the synthesis of poly(3,4-ethylenedioxythiophene) (PEDOT) polymer which are used in electrochromic devices.
General Description2,5-Dibromo-3,4-ethylenedioxythiophene (DBEDOT) is a monomer which is used in the synthesis of highly conducting poly(3,4-ethylenedioxythiophene) (PEDOT) polymer. This polymer is formed by solid-state polymerisation of DBEDOT and is used widely in organic-light emitting diodes and polymer field effect transistors. DBEDOT is a well-ordered crystalline monomer and produces PEDOT polymer which has a high degree of order.
5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine Preparation Products And Raw materials
Tetrabutylammonium perchlorate 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine Triethoxyvinylsilane 2,5-Dibromothiophene N-Vinyl-2-pyrrolidone 5-BROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE 4-(4-CHLORO-BENZYLOXY)-PHENYLAMINE Vinyl ester resin 3,4-Ethylenedioxythiophene VINYL PROPIONATE Isobutyl vinyl ether 3,4-Dimethoxythiophene Silicone rubber,methyl-vinyl Vinyl resin

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