CAS NO.: 652-12-0; 4,5,6,7-tetrafluoroisobenzofuran-1,3-dione. PROPERTIES: This highly fluorinated heterocycle features four fluorine atoms on an isobenzofuran-1,3-dione framework, creating a molecule with potential applications in organic synthesis and materials science. The 4,5,6,7-tetrafluoroisobenzofuran-1,3-dione typically appears as a white to off-white crystalline solid with moderate solubility in common organic solvents. Its molecular structure includes multiple fluorine atoms that influence the electronic properties of the heterocyclic system. For optimal stability and to prevent degradation, this compound should be stored at 2-8 degree Celsius in a tightly sealed container under anhydrous conditions. When handling, appropriate safety measures including nitrile gloves and safety goggles are essential. This compound is sensitive to moisture and may hydrolyze in aqueous environments. In case of accidental spillage, clean the area with a damp cloth and dispose of materials according to local regulations. APPLICATIONS: The 4,5,6,7-tetrafluoroisobenzofuran-1,3-dione serves as a valuable intermediate in the synthesis of highly fluorinated compounds and materials with specific electronic properties. The fluorine substituents provide handles for further functionalization through nucleophilic substitution reactions. In materials science, this compound functions as a building block for creating polymers and small molecules with applications in organic electronics and optoelectronics. Additionally, the molecule finds utility in chemical biology studies where its unique electronic properties can be harnessed for developing novel imaging agents and sensors. Researchers utilizing this compound benefit from its defined halogenation pattern, enabling the development of advanced materials with tailored electronic and optical characteristics.