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MilliporeSigma

483028

Sigma-Aldrich

3,4-Ethylenedioxythiophene

97%

Synonym(s):

2,3-Dihydrothieno[3,4-b]-1,4-dioxin, EDOT

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10 G
$94.90

About This Item

Empirical Formula (Hill Notation):
C6H6O2S
CAS Number:
Molecular Weight:
142.18
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

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$94.90


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assay

97%

refractive index

n20/D 1.5765 (lit.)

bp

193 °C (lit.)

density

1.331 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C1COc2cscc2O1

InChI

1S/C6H6O2S/c1-2-8-6-4-9-3-5(6)7-1/h3-4H,1-2H2

InChI key

GKWLILHTTGWKLQ-UHFFFAOYSA-N

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This Item
687553729078660485
assay

97%

assay

95%

assay

-

assay

97%

bp

193 °C (lit.)

bp

-

bp

-

bp

-

density

1.331 g/mL at 25 °C (lit.)

density

-

density

1.374 g/mL at 25 °C

density

-

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

-

refractive index

n20/D 1.5765 (lit.)

refractive index

-

refractive index

n20/D 1.685

refractive index

-

General description

3,4-Ethylenedioxythiophene (EDOT) is an electro-active conductive monomer with a thiol group that combines an electron donor and electron acceptor in a donor-acceptor-donor arrangement.[1]
Monomer used in the synthesis of conducting polymers.

Application

EDOT can be polymerized to form poly(3,4-ethylenedioxythiophene) (PEDOT) for use as an electrochromic polymer (EC) based coating for a variety of applications like solid state organic electrochemical supercapacitors (OESCs),[2][3] electrochromic devices (ECDs),[1] and carbon nanotubes (CNTs) based electrochemical devices for diabetes monitoring.[4]
It can be used:
  • As a reductant in a one-pot synthesis of gold nanoparticles from HAuCl4 (254169).[5]
  • As a starting material used in palladium-catalyzed mono- and bis-arylation reactions.[6]
  • In the synthesis of conjugated polymers and copolymers, with potential optical applications.[7][8]

pictograms

Skull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 2

flash_point_f

219.2 °F - closed cup

flash_point_c

104 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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