CrHgO4 is a chemical compound registered under CAS number 13444-75-2, with the molecular formula CrH2 O4 . Hg and a molecular weight of about 316.58 g/mol. It is also known as MERCURIC CHROMATE. NewsChem supplies CrHgO4 for laboratory research and bulk production; product code 1303049. Send an inquiry for purity, packaging, price and lead time.