SpeedCure TPO

SpeedCure TPO is a Norrish Type I photoinitiator from the phosphine oxide family, with absorption maxima at 267, 298and 380 nm. SpeedCure TPO provides high reactivity and depth cure when used at 0.5-5 wt% in UV and LED curable formulations.

CAS no. 75980-60-8
Chemical name 2,4,6-trimethylbenzoyldiphenylphosphine oxide