Category:
Other Specialized Reagents
CAS NO:
224311-51-7
Standard:
ChP,USP,In-house Standards,
CAS NO:224311-51-7
Molecular Formula:C20H27P
Product Name:2-(Di-t-butylphosphino)biphenyl
Alias: [1,1'-biphenyl]-2-yldi-tert-butylphosphine;(2-Biphenylyl)di-tert-butylphosphine JohnPhos
Molecular Weight: 298.4
mp; 85℃
Color and Form: white pwdr
2-(Di-t-butylphosphino)biphenyl (JohnPhos), CAS 865291-67-4, is a bulky biaryl phosphine ligand essential for cross-coupling reactions. Its steric bulk and electron-donating properties facilitate high-yield catalysis in palladium-catalyzed processes.
Store under inert atmosphere to prevent oxidation. Use appropriate PPE due to potential skin irritation. Not intended for clinical use; strictly industrial grade.