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Chromium(VI) oxide, also known as chromium trioxide, is a chemical compound. Its chemical formula is CrO3.It has chromium in its +6 oxidation state. It also has oxide ions. It is a solid used in cleaning glass. Chromium-6 is odorless and tasteless.
It is a dark red crystalline solid. It is a strong oxidizing agent. It can ignite alcohol when it is mixed with it. It is very toxic and irritates skin. It is a stronger oxidizing agent than chromate. It dissolves in water to make chromic acid, which is acidic. It reacts with strong bases to make chromates. It gives off oxygen when heated and turns into chromium(III) oxide.
Chromium(VI) oxide is very toxic and irritating. It is a carcinogen and can cause mutations. It can be destroyed by reacting it with a reducing agent like ferrous sulfate. It is a dangerous hazard to the environment.
- "ChemEurope--Chromium trioxide". ChemEurope. http://www.chemeurope.com/lexikon/e/Chromium_trioxide/. Retrieved 15 November 2010.