2,7-Diiodo-9,9-dimethyl-9H-fluorene(CAS: 144981-86-2)

2,7-Diiodo-9,9-dimethyl-9H-fluorene is a solid with a crystalline form. Its molecular weight is approximately 436.29 g/mol. It has low solubility in water but is more soluble in organic solvents like dichloromethane and ethyl acetate. The compound is not highly reactive but may decompose under strong oxidative conditions. It is stable under typical storage conditions but should be protected from moisture and light.

2,7-Diiodo-9,9-dimethyl-9H-fluorene is typically synthesized by treating 9,9-dimethyl-9H-fluorene with iodine in the presence of a Lewis acid catalyst. The reaction selectively iodinates the 2 and 7 positions of the fluorene ring. The yield is around 85%, and the product is isolated by recrystallization from an organic solvent.

2,7-Diiodo-9,9-dimethyl-9H-fluorene is used in the pharmaceutical industry for the synthesis of certain intermediates. It is also utilized in the semiconductor industry for the production of organic photovoltaic materials and light-emitting diodes (LEDs). Additionally, it is employed in the development of chemical sensors and as a precursor in polymer chemistry.

When handling 2,7-diiodo-9,9-dimethyl-9H-fluorene, ensure the use of appropriate personal protective equipment (PPE) such as gloves, laboratory coat, and goggles. Store the compound in a fume hood to avoid inhalation. In case of a spill, immediately clean it up using absorbent paper and handle it according to the Material Safety Data Sheet (MSDS) guidelines. Always refer to the SDS for further safety information.