Synonyms:
bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide ; phosphine oxide, phenylbis(2,4,6-trimethylbenzoyl)- ; phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide ; (phenylphosphoryl)bis(mesitylmethanone) ; irgacure(r) 819 ; photoinitiator xbpo ; photoinitiator 819 ; former irgacure 819 ; omnirad 819 ; omnirad 380