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759791

2,5-Dibromo-3,4-ethylenedioxythiophene

Name: 2,5-Dibromo-3,4-ethylenedioxythiophene
Brand: ALDRICH

97%

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):

C₆H₄Br₂O₂S

CAS Number:

174508-31-7

Molecular Weight:

299.97

NACRES:

NA.23

PubChem Substance ID:

329766815

UNSPSC Code:

12352103

MDL number:

MFCD01651770

Assay:

97%

Form:

solid

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Properties

assay

97%

form

solid

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.

Features and Benefits

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

Pictograms

GHS07

Signal Word

Warning

Hazard Codes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

13 - Non Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

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