SpeedCure 73

SpeedCure 73 is a liquid Norrish Type I photoinitiator from the hydroxyacetophenone family, with an absorption maximum at 244 nm. SpeedCure 73 provides low yellowing and surface cure when used at 0.5-5 wt% in UV curable formulations.

CAS no. 7473-98-5
Chemical name 2-hydroxy-2-methyl-1-phenylpropanone