Chemistry:Iodine dioxide

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Iodine dioxide
Iodine-dioxide-3D-vdW.png
Names
Other names
dioxidoiodide, iodyl, iodoxy radical, iodine peroxide, iodine superoxide
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
404604
Properties
IO2
Molar mass 158.902 g·mol−1
Appearance yellow solid
Density 4.2 g/cm3
Melting point 130 °C (266 °F; 403 K)
reacts with water
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Tracking categories (test):

Iodine dioxide is a binary inorganic compound of iodine and oxygen with the chemical formula IO2.[1][2] This compound is one of many iodine oxides.[3][4]

Synthesis

The compound can be prepared by reacting sulphuric acid with iodic acid or by the action of concentrated nitric acid upon dry powedered iodine.[5]

Physical properties

It forms yellow crystalline solid. Reacts with water.[5][6] Iodine dioxide has an irritating effect, can be found in the wastes from the production of certain pharmaceuticals.[7]

References

  1. Yaws, Carl (6 January 2015) (in en). The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals: Physical Properties for More Than 54,000 Organic and Inorganic Chemical Compounds, Coverage for C1 to C100 Organics and Ac to Zr Inorganics. Gulf Professional Publishing. p. 718. ISBN 978-0-12-801146-1. https://books.google.com/books?id=GutDBAAAQBAJ&dq=iodine+dioxide+IO2&pg=PA718. Retrieved 10 May 2023. 
  2. Haynes, William M. (19 April 2016) (in en). CRC Handbook of Chemistry and Physics. CRC Press. p. 2-17. ISBN 978-1-4398-8050-0. https://books.google.com/books?id=c1rNBQAAQBAJ&dq=iodine+dioxide+IO2&pg=SA2-PA17. Retrieved 10 May 2023. 
  3. De, Anil Kumar (2007) (in en). A Textbook Of Inorganic Chemistry. New Age International. p. 584. ISBN 978-81-224-1384-7. https://books.google.com/books?id=PpTi_JAx7PgC&dq=iodine+dioxide+IO2&pg=PA584. Retrieved 10 May 2023. 
  4. Parks, Lytle Raymond (1952) (in en). Systematic College Chemistry. Blakiston Company. p. 304. https://books.google.com/books?id=ftJTuxEUISgC&q=iodine+dioxide+IO2. Retrieved 10 May 2023. 
  5. 5.0 5.1 Holmyard, E. J. (1931) (in en). Inorganic Chemistry. Edward Arnold & Co.. p. 521. ISBN 978-5-87636-953-6. https://books.google.com/books?id=uLsOAwAAQBAJ&dq=iodine+dioxide+IO2&pg=PA521. Retrieved 10 May 2023. 
  6. Perry, Dale L. (19 April 2016) (in en). Handbook of Inorganic Compounds. CRC Press. p. 210. ISBN 978-1-4398-1462-8. https://books.google.com/books?id=SFD30BvPBhoC&dq=iodine+dioxide+IO2&pg=PA210. Retrieved 10 May 2023. 
  7. Grushko, Ya M. (10 September 2020) (in en). Handbook of Dangerous Properties of Inorganic And Organic Substances in Industrial Wastes. CRC Press. ISBN 978-1-000-15473-3. https://books.google.com/books?id=20AHEAAAQBAJ&dq=iodine+dioxide+IO2&pg=PT43. Retrieved 10 May 2023.