Phosphine oxide, bis(2-methoxy-3-methyl-5-nonylphenyl)- is a chemical compound registered under CAS number 140687-32-7, with the molecular formula C34H55O3P and a molecular weight of about 542.78 g/mol. FireTardant supplies Phosphine oxide, bis(2-methoxy-3-methyl-5-nonylphenyl)- for laboratory research and bulk production; product code 1586687. Send an inquiry for purity, packaging, price and lead time.