Category:
Active Pharmaceutical Ingredients
CAS NO:
161265-03-8
Standard:
In-house Standards,
4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene (Xantphos) is a bulky bidentate phosphine ligand synthesized via condensation of xanthone with diphenylphosphine. Its wide bite angle enhances catalytic efficiency in cross-coupling reactions. Molecular Formula: C37H28O2P2; CAS No.: 90958-72-6.
Store under inert atmosphere at controlled temperatures to prevent oxidation. Avoid direct skin contact; wear appropriate PPE including nitrile gloves and safety goggles during handling to mitigate respiratory and dermal irritation risks.