Sodium chromate is achemical compound composed ofsodiumions andchromate ions. It is a bright yellow crystal chemical. It is similar topotassium chromate. It is a strongoxidizing agent. It is toxic because it containschromium in the +6oxidation state. It can be destroyed by reaction with areducing agent, converting it to harmless chromium in the +3 oxidation state. Its chemical formula is Na2CrO4.