Erbium, compd. with silver (1:2) is a chemical compound registered under CAS number 12249-75-1, with the molecular formula Ag2Er and a molecular weight of about 382.99 g/mol. It is also known as Ag2Er. NewsChem supplies Erbium, compd. with silver (1:2) for laboratory research and bulk production; product code 1432510. Send an inquiry for purity, packaging, price and lead time.