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 Carboxylate group is electron withdrawn to lower the electron density at the thiophene ring.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

Product Details
Purity | 97% |
Melting Point | 35 °C - 37 °C |
Appearance | Yellow brownish powder/crystals |
MSDS Documentation
Ethyl 2,5-dibromothiophene-3-carboxylate MSDS sheet
Literature and Reviews
- 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.
- 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.
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