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759791 Sigma-Aldrich

2,5-Dibromo-3,4-ethylenedioxythiophene

97%

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

  • CAS Number 174508-31-7

  • Empirical Formula (Hill Notation) C6H4Br2O2S

  • Molecular Weight 299.97

  •  MDL number MFCD01651770

  •  PubChem Substance ID 329766815

  •  NACRES NA.23

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Properties

Related Categories Materials Science, Organic and Printed Electronics, Synthetic Intermediates, Synthetic Tools and Reagents, Thiophene Monomers and Building Blocks More...
Quality Level   100
assay   97%
mp   95-100 °C
storage temp.   −20°C
SMILES string   Brc1sc(Br)c2OCCOc12
InChI   1S/C6H4Br2O2S/c7-5-3-4(6(8)11-5)10-2-1-9-3/h1-2H2
InChI key   FHMRWRBNAIDRAP-UHFFFAOYSA-N

Description

General description

2,5-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.

Application

Used as a monomer in the synthesis of poly(3,4-ethylenedioxythiophene) (PEDOT) polymer which are used in electrochromic devices.

Packaging

5 g in glass bottle

Features and Benefits

Polymerisation of DBEDOT can take place under very gentle conditions in the absence of external agents or catalysts.

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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