Date published: 2025-12-18

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Selenium dioxide (CAS 7446-08-4)

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CAS Number:
7446-08-4
Purity:
≥98%
Molecular Weight:
110.96
Molecular Formula:
SeO2
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Selenium dioxide (SeO2) is a versatile chemical compound that has found widespread application in scientific research. This colorless and odorless crystalline solid possesses excellent solubility in water and other polar solvents. With its extensive utilization in organic compound synthesis, Selenium dioxide has contributed significantly to the advancement of new materials and technologies. Its role extends to the production of pharmaceuticals, cosmetics, and diverse industrial materials. Scientists have harnessed the potential of Selenium dioxide in various scientific realms, including catalytic and electrochemical processes, organic synthesis as a reagent, and as a catalyst for pharmaceuticals, cosmetics, and industrial materials. Moreover, it has been instrumental in material development, such as semiconductors and superconductors, as well as in the investigation of enzyme kinetics. While the exact mechanism remains a subject of ongoing exploration, Selenium dioxide is believed to generate reactive oxygen species (ROS) and facilitate the oxidation of organic molecules. Its catalytic properties play a pivotal role in organic molecule oxidation and as an oxidizing agent for organic compounds.


Selenium dioxide (CAS 7446-08-4) References

  1. Selenium dioxide oxidations of dialkyl-3H-azepines: the first synthesis of 2-azatropone from oxidation of 2, 5-Di-tert-butyl-3H-azepine.  |  Takami, S., et al. 2000. J Org Chem. 65: 6093-6. PMID: 10987944
  2. Synthesis of CdSe quantum dots using selenium dioxide as selenium source and its interaction with pepsin.  |  Wang, Y., et al. 2011. Spectrochim Acta A Mol Biomol Spectrosc. 79: 1311-5. PMID: 21664175
  3. Antioxidant and cytotoxic effect of biologically synthesized selenium nanoparticles in comparison to selenium dioxide.  |  Forootanfar, H., et al. 2014. J Trace Elem Med Biol. 28: 75-9. PMID: 24074651
  4. Anti-biofilm activity of biogenic selenium nanoparticles and selenium dioxide against clinical isolates of Staphylococcus aureus, Pseudomonas aeruginosa, and Proteus mirabilis.  |  Shakibaie, M., et al. 2015. J Trace Elem Med Biol. 29: 235-41. PMID: 25175509
  5. Selenium dioxide oxidation of vitamin D3 acetate to a dimer of 1-oxotransvitamin D3 acetate.  |  Reynolds, GF., et al. 1985. Steroids. 46: 883-7. PMID: 3018968
  6. Role of nano-selenium in health and environment.  |  Kumar, A. and Prasad, KS. 2021. J Biotechnol. 325: 152-163. PMID: 33157197
  7. Selenocyanation of Aryl and Styryl Methyl Ketones in the Presence of Selenium Dioxide and Malononitrile: An Approach for the Synthesis of α-Carbonyl Selenocyanates.  |  Marpna, ID., et al. 2021. J Org Chem. 86: 1980-1986. PMID: 33377776
  8. Selenium as a Versatile Reagent in Organic Synthesis: More than Allylic Oxidation.  |  Thurow, S., et al. 2022. Curr Org Synth. 19: 331-365. PMID: 34036912
  9. Selenium Dioxide-Mediated Bromination of α,β-Unsaturated Ketones Using N-Bromosuccinimide in the Presence of p-Toluenesulfonic Acid: A Versatile Route for the Synthesis of α'-Bromo-4-arylbut-3-en-2-one and α',α'-Dibromo-4-arylbut-3-en-2-one.  |  Lipon, TM., et al. 2021. ACS Omega. 6: 27466-27477. PMID: 34693167
  10. Atomically Dispersed Selenium Sites on Nitrogen-Doped Carbon for Efficient Electrocatalytic Oxygen Reduction.  |  Hu, H., et al. 2022. Angew Chem Int Ed Engl. 61: e202114441. PMID: 34806271
  11. Radiation Shielding Tests of Crosslinked Polystyrene-b-Polyethyleneglycol Block Copolymers Blended with Nanostructured Selenium Dioxide and Boron Nitride Particles.  |  Cinan, ZM., et al. 2022. Nanomaterials (Basel). 12: PMID: 35159642
  12. Sensitive voltammetric quantification of carminic acid in candies using selenium dioxide nanoparticles based electrode.  |  Kavieva, L. and Ziyatdinova, G. 2022. Food Chem. 386: 132851. PMID: 35366626
  13. Observations on the efficacy of various forms of selenium for livestock: a review.  |  Oldfield, JE. 1997. Biomed Environ Sci. 10: 280-91. PMID: 9315321

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Selenium dioxide, 5 g

sc-258150
5 g
$45.00

Selenium dioxide, 100 g

sc-258150A
100 g
$76.00

Selenium dioxide, 1 kg

sc-258150B
1 kg
$515.00