AD 438 is a chemical compound registered under CAS number 12326-08-8, with the molecular formula H2O·xNb2O5 and a molecular weight of about 284 g/mol. It is also known as CBMM AD 108; Diniobium pentoxide hydrate; Niobium pentoxide hydrate. NewsChem supplies AD 438 for laboratory research and bulk production; product code 1407305. Send an inquiry for purity, packaging, price and lead time.