Phosphine oxide, [1,2-phenylenebis(methylene)]bis[diphenyl- is a chemical compound registered under CAS number 15303-27-2, with the molecular formula C32H28O2P2 and a molecular weight of about 506.52 g/mol. KingChemi supplies Phosphine oxide, [1,2-phenylenebis(methylene)]bis[diphenyl- for laboratory research and bulk production; product code 1047044. Send an inquiry for purity, packaging, price and lead time.