2,7-Dibromo-9,9-bis[3,3'-(N,N-dimethylamino)-propyl]fluorene
3,3’-(2,7-Dibromo-9H-fluorene-9,9-diyl)bis(N,N-dimethylpropan-1-amine) is a building block for the synthesis of polyeletrolytes i.e., Poly[9,9-bis(3'-(N,N-dimethylamino)-propyl-2,7-fluorene)-alt-2,7-(9,9-dioctylfluorene)] (PFN) or Poly{3-[2-[4,8-bis(2-ethylhexyloxy)-6-methyl-1,5-dithia-s-indacen-2-yl]-9-(3-dimethylamino-propyl)-7-methyl-9H-fluoren-9-yl]-propyl}-dimethylamine (PBN).

General Information
CAS Number | 673474-73-2 |
Chemical Formula | C23H30Br2N2 |
Molecular Weight | 494.31 g/mol |
Synonyms | 3,3’-(2,7-Dibromo-9H-fluorene-9,9-diyl)bis(N,N-dimethylpropan-1-amine) 3,3'-(2,7-Dibromo-9H-fluorene-9,9-diyl)bis(N,N-dimethyl-1-propanamine) 2,7-Dibromo-N,N,N',N'-tetramethyl-9H-fluorene-9,9-dipropanamine |
Classification / Family | Fluorene, Triamine, Organic semiconducting materials, Semiconductor synthesis, Low band gap polymers, OFETs, OLED, Organic Photovoltaics, Polymer solar cells |
Chemical Structure

Product Details
Purity | >98% |
Melting Point | 74 °C - 78 °C |
Appearance | Off-white solid |
MSDS Documentation
2,7-Dibromo-9,9-bis[3,3'-(N,N-dimethylamino)-propyl]fluorene MSDS sheet
Literature and Reviews
- Effect of conjugated polyelectrolyte interlayer at cathode in bulk heterojunction photocells based on neat C70 and low-energy-gap polymer prepared with halogen-free solvent, K. Tada, Appl. Phys. Express, 7, 051601 (2014)
- A Benzodithiophene-Based Novel Electron Transport Layer for a Highly Efficient Polymer Solar Cell, H. Kim et al., Appl. Mater. Interfaces, 6, 15875-15880 (2014)
To the best of our knowledge the information provided here is accurate. However, Ossila assume no liability for the accuracy of this page. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. All products are for laboratory and research and development use only, and may not be used for any other purpose including health care, pharmaceuticals, cosmetics, food or commercial applications.