CAS #: 75980-60-8
Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide is a Type I photoinitiator best known for its through cure abilities. It is soluble in most monomers, oligomers and pre-polymers but insoluble in H2O.
Unit of Measure
Performance Properties
Performance Properties |
N/A Excellent in White Pigmented Systems and Thicker Clear Coatings Excellent through Cure Low Yellowing |
Typical Properties
CAS # |
N/A 75980-60-8 |
Acronym |
N/A TPO |
Chemical Name |
N/A Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide |
Typical Applications |
N/A
Clear Coatings for Graphic Arts, Wood, and Plastics Light to Moderate Colored Inks and Coatings |
Appearance |
N/A Pale Yellow Crystalline Powder |
Molecular Formula |
N/A C22H21O2P |
Molecular Weight |
N/A 384.4 |
Boiling Point |
N/A >250 ºC |
Melting Point |
N/A 90 ºC |
Specific Gravity |
N/A 1.14 g/mL |
Abs. Peaks |
N/A 295 nm 368 nm 380 nm 393 nm |
Usage Levels |
N/A 0.5 – 4.0 % |
