1.E le gata o se tasi o mea mataʻina taua mo le gaosiga o le photoinitiator TPO, ae faʻapea foʻi ma se vailaʻau vailaʻau phosphorus taua. E mafai foi ona faʻaaogaina mo le gaosiga o le diphenyl phosphine oxide, ma isi.
2.It o se intermediate taua, lea e masani ona faʻaaogaina i le sauniuniga o sui anti UV, organophosphorus mumu retardants, antioxidants, plasticizers ma asymmetric synthesis catalysts.