Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide

二苯基(2,4,6-三甲基苯甲酰基)氧化膦

Also known as: (2,4,6-Trimethylbenzoyl)diphenylphosphine oxide, 2,4,6-Trimethylbenzoyldiphenylphosphine oxide, Diphenyl-(2,4,6-trimethylbenzoyl)phosphine oxide, Speedcure TPO, Photoinitiator TPO, (Diphenylphosphoryl)(2,4,6-trimethylphenyl)methanone, (Diphenylphosphoryl)(mesityl)methanone, Methanone, (diphenylphosphinyl)(2,4,6-trimethylphenyl)-, diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone, YF-PI TPO, IHT-PI TPO

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide (CAS 75980-60-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C22H21O2P and a molecular weight of 348.375 g/mol. It is also known as (2,4,6-Trimethylbenzoyl)diphenylphosphine oxide, 2,4,6-Trimethylbenzoyldiphenylphosphine oxide and Diphenyl-(2,4,6-trimethylbenzoyl)phosphine oxide. Key properties include a melting point of 88-92 °C(lit.), a boiling point of 519.6±60.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 268.1±32.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

75980-60-8

Jingsj CID

J-1344020-4

Molecular Formula

C₂₂H₂₁O₂P

Chinese Name

二苯基(2,4,6-三甲基苯甲酰基)氧化膦

Molecular Weight

348.375 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026