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2-Ethylhexyl 4,6-dibromo-3-fluorothieno[3,4-b]thiophene-2-carboxylate

CAS Number 1237479-38-7

Chemistry Building Blocks, Dibromo Monomers, Fluorinated Building Blocks, Monomers

2-Ethylhexyl 4,6-dibromo-3-fluorothieno[3,4-b]thiophene-2-carboxylate CAS 1237479-38-7
Product Code B361-250mg
Price $325 ex. VAT
$ USD

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2-Ethylhexyl 4,6-Dibromo-3-fluorothieno[3,4-b]thiophene-2-carboxylate has been used for the synthesis low band gap polymer semiconductors such as PTB-7 and PCE10 (also called PTB7-Th or PBDTTT-EFT) for OFETs, OLED, PLED and OPV applications.

This monomer has been used in our own lab for the synthesis of PCE10 and PTB-7.

General Information

CAS Number 1237479-38-7
Chemical Formula C15H17Br2FO2S2
Molecular Weight 472.23 g/mol
Synonyms 4,6-Dibromo-3-fluorothieno[3,4-b]thiophene-2-carboxylic acid 2-ethylhexyl ester
Classification / Family Thiophene, Fused thiophene, Semiconductor synthesis intermediates, Low band gap polymers, OFETs, Organic Photovoltaics, Polymer solar cells

Chemical Structure

PTB7 PCE10 monomer
Chemical structure of 2-Ethylhexyl 4,6-Dibromo-3-fluorothieno[3,4-b]thiophene-2-carboxylate, CAS 1237479-38-7

Product Details

Purity >98% (by NMR)
Melting Point 37 °C - 41 °C
Appearance Off-white / pale orange solid powder/crystals

MSDS Documentation

2-Ethylhexyl 4,6-dibromo-3-fluorothieno[3,4-b]thiophene-2-carboxylate MSDS2-Ethylhexyl 4,6-dibromo-3-fluorothieno[3,4-b]thiophene-2-carboxylate MSDS Sheet

Literature and Reviews

  1. Study of Optical Properties and Molecular Aggregation of Conjugated Low Band Gap Copolymers: PTB7 and PTB7-Th, F. Bencheikh et al., J. Phys. Chem. C 2015, 119, 24643−24648 (2015); DOI: 10.1021/acs.jpcc.5b07803.
  2. Random terpolymer with a cost-effective monomer and comparable efficiency to PTB7-Th for bulk-heterojunction polymer solar cells, T. Jiang et al., Polym. Chem., 7, 926-932 (2016); DOI: 10.1039/C5PY01771H.
  3. Tuning nanoscale morphology using mixed solvents and solvent vapor treatment for high performance polymer solar cells, D. Wang et al., RSC Adv., 4, 48724–48733 (2014); DOI: 10.1039/c4ra09417d.

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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