selenate -2 142.956 143.89728 InChI=1S/H2O4Se/c1-5(2,3)4/h(H2,1,2,3,4)/p-2 CHEBI:15075 pdb-ccd:SE4 chebi_ontology selenate cas:14124-68-6 O=[Se](=O)([O-])[O-] A divalent inorganic anion obtained by removal of both protons from selenic acid. selenate QYHFIVBSNOWOCQ-UHFFFAOYSA-L SELENATE ION Selenate [SeO4](2-) tetraoxidoselenate(2-) tetraoxidoselenate(2-) O4Se oxide inorganic ion