Used as a key building block in organic synthesis, particularly in the preparation of conjugated polymers and fluorinated aromatic frameworks. Its ethynyl groups readily undergo coupling reactions, such as Sonogashira or Glaser couplings, enabling the construction of rigid, π-conjugated systems for applications in organic electronics, including organic light-emitting diodes (OLEDs) and field-effect transistors (OFETs). The presence of fluorine atoms enhances electron-accepting properties and improves thermal and oxidative stability of the resulting materials. It is also employed in the development of covalent organic frameworks (COFs) where its triangular symmetry and reactive handles facilitate the formation of porous, ordered network structures for gas storage or catalysis.