diphenyldiarsenic acid is a chemical compound registered under CAS number 4519-32-8, with the molecular formula C12H16As2O8 and a molecular weight of about 438.09 g/mol. Its EINECS (EC) number is 224-845-1. It is also known as 1,2-Diphenyl-1,2-diarsaethene; Arsenobisbenzene; Diphenyldiarsene. FireTardant supplies diphenyldiarsenic acid for laboratory research and bulk production; product code 700585. Send an inquiry for purity, packaging, price and lead time.