Iron, compd. with lanthanum (5:1) is a chemical compound registered under CAS number 51183-99-4, with the molecular formula Fe5La and a molecular weight of about 418.13 g/mol. It is also known as Fe5La. FireTardant supplies Iron, compd. with lanthanum (5:1) for laboratory research and bulk production; product code 664813. Send an inquiry for purity, packaging, price and lead time.