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Ethyl 2,5-dibromothiophene-3-carboxylate

CAS Number 289470-44-6

Chemistry Building Blocks, Dibromo Monomers, Heterocyclic Building Blocks, Monomers


Product Code B751-1g
Price $163 ex. VAT

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Ethyl 2,5-dibromothiophene-3-carboxylate is a thiophene carboxylic acid derivatives. Carboxylate group is electron withdrawn to lower the electron density at the thiophene ring.

Ethyl 2,5-dibromothiophene-3-carboxylate has been used for the synthesis of medium to low bandgap highly efficient polymer semiconductors, i.e. PTQ2 and PBDB-TF-T1 (T1).

General Information

CAS Number 289470-44-6
Chemical Formula C7H6Br2O2 S
Molecular Weight 314 g/mol
Full Name Ethyl 2,5-dibromothiophene-3-carboxylate
Synonyms 2,5-dibromo-3-ethylthiophene-carbon dioxide
Classification / Family Thiophene derivatives, Organic semiconducting materials intermediates, Semiconductor Synthesis, Organic Photovoltaics

Chemical Structure

Ethyl-2-5-dibromothiophene-3-carboxylate chemical structure, 289470-44-6
Chemical structure of ethyl 2,5-dibromothiophene-3-carboxylate, CAS 289470-44-6

Product Details

Purity 97%
Melting Point 35 °C - 37 °C
Appearance Yellow brownish powder/crystals

MSDS Documentation

Ethyl 2,5-dibromothiophene-3-carboxylate  MSDS sheetEthyl 2,5-dibromothiophene-3-carboxylate MSDS sheet

Literature and Reviews

  1. Highly Efficient All-Polymer Solar Cells Enabled by Random Ternary Copolymer Acceptors with High Tolerance on Molar Ratios, Y. Wu et al., RRL Solar, 4 (11), 2000409 (2020); DOI: 10.1002/solr.202000409.
  2. Achieving Over 15% Efficiency in Organic Photovoltaic Cells via Copolymer Design, Y. Cui et al., Adv. Mater., 31 (14), 1808356 (2019); DOI: 10.1002/adma.201808356.

To the best of our knowledge the information provided here is accurate. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. Products may have minor cosmetic differences (e.g. to the branding) compared to the photos on our website. All products are for laboratory and research and development use only.

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