SpeedCure 937

SpeedCure 937 is cationic photoinitiator of the iodonium hexafluoroantimonate family, with absorption maximum at 230 nm. SpeedCure 937 provides high reactivity and high solubility in cationic systems when used at 0.5-5 wt% in UV curable formulations and LED curable formulations when sensitised with thioxanthones.

CAS no. 68609-97-2, 71786-70-4
Chemical name Bis(4-dodecylphenyl)iodonium hexafluoroantimonate