diphenyl isononyl phosphinate is a chemical compound registered under CAS number 28878-99-1, with the molecular formula C21H29O2P and a molecular weight of about 344.43 g/mol. Its EINECS (EC) number is 249-280-8. It is also known as diphenyl (7-methyloctyl)phosphonate. FireTardant supplies diphenyl isononyl phosphinate for laboratory research and bulk production; product code 691670. Send an inquiry for purity, packaging, price and lead time.