methylenebis(dioctylphosphine) oxide is a chemical compound registered under CAS number 21245-08-9, with the molecular formula C33H69OP2- and a molecular weight of about 543.85 g/mol. Its EINECS (EC) number is 244-290-9. It is also known as methanediylbis(dioctylphosphane) dioxide. NewsChem supplies methylenebis(dioctylphosphine) oxide for laboratory research and bulk production; product code 151819. Send an inquiry for purity, packaging, price and lead time.