1-[2-[Bis(tert-butyl)phosphino]phenyl]-3,5-diphenyl-1H-pyrazole

1-[2-[双(叔丁基)膦基]苯基]-3,5-二苯基-1H-吡唑

Also known as: 1-(2-Di-t-butylphosphinophenyl)-3,5-diphenyl-1H-pyrazole, TrippyPhos, ditert-butyl-[2-(3,5-diphenylpyrazol-1-yl)phenyl]phosphane, 1-[2-[Bis(1,1-dimethylethyl)phosphino]phenyl]-3,5-diphenyl-1H-pyrazole, 1-[2-[Bis(tert-butyl)phosphino]phenyl]-3,5-diphenyl-1H-pyrazol

1-[2-[Bis(tert-butyl)phosphino]phenyl]-3,5-diphenyl-1H-pyrazole (CAS 628333-86-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C29H33N2P and a molecular weight of 440.55900 g/mol. It is also known as 1-(2-Di-t-butylphosphinophenyl)-3,5-diphenyl-1H-pyrazole, TrippyPhos and ditert-butyl-[2-(3,5-diphenylpyrazol-1-yl)phenyl]phosphane. Key properties include a melting point of 138-142ºC, a boiling point of 577.615ºC at 760 mmHg and a flash point of 303.131ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

628333-86-8

Jingsj CID

J-916708-1

Molecular Formula

C₂₉H₃₃N₂P

Chinese Name

1-[2-[双(叔丁基)膦基]苯基]-3,5-二苯基-1H-吡唑

Molecular Weight

440.55900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026