Ethyl diphenylphosphinite

• CAT Number: L046440
• CAS Number: 719-80-2
• Molecular Formula: C14H15OP
• Molecular Weight: 230.24
• Purity: ≥95%
• IUPAC Name: ethoxy(diphenyl)phosphane
• InChI: InChI=1S/C14H15OP/c1-2-15-16(13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12H,2H2,1H3
• InChIKey: JCRCPEDXAHDCAJ-UHFFFAOYSA-N
• SMILES: CCOP(C1=CC=CC=C1)C2=CC=CC=C2

Ethyl diphenylphosphinite (CAT: L046440) is an organophosphorus compound consisting of an ethyl group bonded to a diphenylphosphinite moiety. It is a colorless to pale yellow liquid used primarily as a ligand in homogeneous catalysis, particularly in transition metal–catalyzed reactions such as cross-coupling, hydroformylation, and hydrogenation. The combination of the electron-donating phosphorus atom and the bulky phenyl groups allows it to modulate catalyst activity and selectivity. Ethyl diphenylphosphinite is also an important intermediate in organophosphorus chemistry for synthesizing more complex phosphine ligands.