2-Di-tert-butylphosphino-3,4,5,6-tetramethyl-2',4',6'-triisopropyl-1,1'-biphenyl

2-二叔丁基膦-3,4,5,6-四甲基-2′,4′,6′-三异丙基-1,1′-联苯

Also known as: Tetramethyl di-tBuXPhos, 2-DI-TERT-BUTYLPHOSPHINO-3,4,5,6-TETRAMETHYL-2',4',6'-TRI ISOPROPYLIBIPHENYL, 2-Di-t-butylphosphino-3,4,5,6-tetramethyl-2',4',6'-tri-i-propylbiphenyl, 2-Di-tert-butylphosphino-3,4,5,6-tetramethyl-2′,4′,6′-triisopropyl-1,1′-biphenyl, 3,4,5,6-tetramethyl-t-Bu-X-Phos, Bis(2-methyl-2-propanyl)(2',4',6'-triisopropyl-3,4,5,6-tetramethyl-2-biphenylyl)phosphine, Di-tert-butyl(2',4',6'-triisopropyl-3,4,5,6-tetramethyl-[1,1'-biphenyl]-2-yl)phosphine, MFCD09038436, Me4 t-butylXPhos, Me4t-BuXPhos, Phosphine, bis(1,1-dimethylethyl)[3,4,5,6-tetramethyl-2',4',6'-tris(1-methylethyl)[1,1'-biphenyl]-2-yl]-, ditert-butyl-[2,3,4,5-tetramethyl-6-[2,4,6-tri(propan-2-yl)phenyl]phenyl]phosphane, tetramethyl-di-t-butyl-XPhos, tetramethyl-ditertbutyl-XPhos

2-Di-tert-butylphosphino-3,4,5,6-tetramethyl-2',4',6'-triisopropyl-1,1'-biphenyl (CAS 857356-94-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C33H53P and a molecular weight of 480.748 g/mol. It is also known as Tetramethyl di-tBuXPhos, 2-DI-TERT-BUTYLPHOSPHINO-3,4,5,6-TETRAMETHYL-2',4',6'-TRI ISOPROPYLIBIPHENYL and 2-Di-t-butylphosphino-3,4,5,6-tetramethyl-2',4',6'-tri-i-propylbiphenyl. Key properties include a melting point of 168-172ºC, a boiling point of 534.1±50.0 °C at 760 mmHg and a flash point of 294.4±36.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

857356-94-6

Jingsj CID

J-1993835-8

Molecular Formula

C₃₃H₅₃P

Chinese Name

2-二叔丁基膦-3,4,5,6-四甲基-2′,4′,6′-三异丙基-1,1′-联苯

Molecular Weight

480.748 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026