SpeedCure 976

SpeedCure 976 is 50% active liquid cationic photoinitiator of the sulfonium hexafluoroantimonate family, with absorption maxia at 291 and 279 nm. SpeedCure 976 provides high reactivity in cationic systems when used at 0.5-5 wt% in UV formulations.

CAS no. 108-32-7, 89452-37-9
Chemical name (sulfanediyldibenzene-4,1-diyl)bis(diphenylsulfonium) bis(hexafluoroantimonate) in propylene carbonate.