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Product Code B3761-500mg
Price $98 ex. VAT

Covalent Organic Frameworks (COFs) Fumaronitrile Ligand

A dibromo bridging ligand linker for COFs in application of OLEDs and small molecule organic solar cells (SMOSCs)


Specifications | MSDS | Literature and Reviews


2,3-Bis(4-bromophenyl)fumaronitrile, CAS number 82193-93-9, belongs to the fumaronitrile family with two 4-bromophenyls replacing the hydrogens on the double bond.

2,3-Bis(4-bromophenyl)fumaronitrile and 4-(carbazol-9-yl)phenylboronic acid via C-C coupling reaction gave stimuli-responsive fluorophoric molecule 2,3-bis[4'-(9-carbazolyl)-(1,1'-biphenyl)-4-yl]-2-butenedinitrile. The molecule demonstrated emission colour switching between green and orange in the solid state upon grinding, heating, and exposure to chemical vapor. NIR fluorescent compound 2,3-bis(4′-(diphenylamino)-[1,1′-biphenyl]-4-yl)fumaronitrile (TPATCN) with a fumaronitrile component, showed a relatively large dipole moment of the charge transfer state. Device based on TPATCN exhibited strong NIR fluorescence with thin film quantum efficiency of 33% and crystal efficiency of 72%. An external quantum efficiency of 2.58% was recorded for non-doped NIR organic light-emitting diode (OLED) device based on TPATCN.

Organic π-conjugated semiconducting chromophore, RCNR, based on alkylated bithiophene terminated fumaronitrile-core acceptor, showed a broad absorption peak near green region and strong emission peak in red due to the strong electron-withdrawing nature of two nitrile (–CN) groups. Fabricated SMOSC devices with RCNR:PC60BM (1:3, w/w) active layer exhibited a power conversion efficiency of 2.69%.

MOF and COF ligands

MOF and COF ligands

nitrile and bromide ligand for cross-linked COF/MOF networks

Worldwide shipping for 82193-93-9

Worldwide shipping

Quick and reliable shipping

High purity 82193-93-9

High purity

>98% High purity

Duo functionality

Duo functionality

Enabling post-functionalisation

General Information


CAS Number 82193-93-9
Chemical Formula C16H8Br2N2
Full Name 2,3-Bis(4-bromophenyl)fumaronitrile
Molecular Weight 388.06 g/mol
Synonyms BPBN, 2,3-Bis(4-bromophenyl)-2-butenedinitrile, (E)-2,3-bis(4-bromophenyl)but-2-enedinitrile
Classification / Family Fumaronitrile, COF ligands, OLEDs, SMOSCs

Chemical Structure


82193-93-9 - 2,3-bis(4-bromophenyl)fumaronitrile chemical structure
2,3-Bis(4-bromophenyl)fumaronitrile (BPBN) Chemical Structure, 82193-93-9

Product Details


Purity >98%
Melting Point 216 – 217 °C
Appearance Off-white powder/crystals

MSDS Documentation


82193-93-9 - 2,3-bis(4-bromophenyl)fumaronitrile2,3-Bis(4-bromophenyl)fumaronitrile MSDS Sheet

Literature and Reviews


  1. Modulating Photo- and Electroluminescence in a Stimuli-Responsive π-Conjugated Donor–Acceptor Molecular System, K. Isayama et al., Angew. Chem., 130 (37), 12158-12162 (2018); DOI: 10.1002/ange.201806863.
  2. Effective D-A-D type chromophore of fumaronitrile-core and terminal alkylated bithiophene for solution-processed small molecule organic solar cells, M. Nazim et al., Sci. Rep., 5, 11143 (2015); DOI: 10.1038/srep11143.
  3. Non-doped long-wave red electroluminescence for fumaronitrile with fluorenyl or biphenyl group, W. Zhang et al., Opt. Mater., 108, 220425 (2020); DOI: 10.1016/j.optmat.2020.110425.
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