Order Code: B401
MSDS sheet


(excluding Taxes)


General Information

CAS number 566939-58-0  
Chemical formula C14H17Br2NO2S
Molecular weight 423.16 g/mol
Synonyms TPD-C8, 2,5-Dibromo-N-n-octyl-3,4-thiophenedicarboximide
Classification / Family Thiophene, Heterocyclic five-membered ring, Organic semiconducting materials, Semiconductor Synthesis, Low band gap polymers, OFETs, OLED, Organic Photovoltaics, Polymer Solar Cells


Product Details

Purity > 99%
Melting point 105-109 °C
Appearance Orange powder/crystals
TPD-C8, 1,3-Dibromo-5-octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione, 566939-58-0Chemical structure of 1,3-Dibromo-5-octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione, CAS No. 566939-58-0.


1,3-Dibromo-5-octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione, also referred to as TPD-C8, is electron-deficient and used as a monomer for the synthesis of low band-gap polymer semiconductors in OPV and OFET applications.

Literature and Reviews

  1. Alkoxyl Side Chain Substituted Thieno[3,4-c]pyrrole-4,6-dione To Enhance Photovoltaic Performance with Low Steric Hindrance and High Dipole Moment, Macromolecules, 49 (16), pp 5788–5795 (2016); DOI: 10.1021/acs.macromol.6b00927.
  2. Synthesis of new D-A polymers containing disilanobithiophene donor and application to bulk heterojunction polymer solar cells, M. Nakashima et al, Polymer J., 47, 733–738 (2015); doi:10.1038/pj.2015.61.
  3. Low band gap dithienogermolodithiophene copolymers with tunable acceptors and side-chains for organic solar cells, H. Zhong et al., J. Mater. Chem. A, 1, 14973-14981 (2013); DOI: 10.1039/C3TA13778C.