- ▸ Type I acylphosphine-oxide photoinitiator tuned for UV-LED (~380-420 nm) curing of clear and white-pigmented coatings and inks (Coatings & Construction)
- ▸ Long-wavelength absorption drives surface and through-cure of opaque/thick UV-LED layers in printing and electronics (Industrial Manufacturing)
- ▸ Low-yellowing fast cure of UV-curable adhesives, composites and 3D-print resins (Plastics & Polymers)
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
Request SDS →Type I acylphosphine-oxide photoinitiator tuned for UV-LED (~380-420 nm) curing of clear and white-pigmented coatings and inks (Coatings & Construction) Long-wavelength absorption drives surface and through-cure of opaque/thick UV-LED layers in printing and electronics (Industrial Manufacturing) Low-yellowing fast cure of UV-curable adhesives, composites and 3D-print resins (Plastics & Polymers)
Frequently Asked Questions
Is Photoinitiator TPO an equivalent to Irgacure TPO?
Photoinitiator TPO is the generic Type I/II photoinitiator commonly sold as Irgacure TPO. RawSource supplies an independent equivalent — verified to your specification and Certificate of Analysis — and is not affiliated with, authorized by, or endorsed by IGM Resins.
What is Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide (CAS 75980-60-8)?
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide (CAS 75980-60-8) is a crosslinking / curing agent supplied by RawSource in bulk. Type I acylphosphine-oxide photoinitiator tuned for UV-LED (~380-420 nm) curing of clear and white-pigmented coatings and inks (Coatings & Construction)
What is the molecular formula and weight of Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide?
Molecular formula C22H21O2P, molecular weight 348.4 g/mol. IUPAC name: diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone
Is Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide hazardous?
Yes