Date published: 2025-12-17

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Selenium (CAS 7782-49-2)

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Alternate Names:
Elemental selenium
Application:
Selenium is a non-metal element
CAS Number:
7782-49-2
Purity:
≥99%
Molecular Weight:
78.96
Molecular Formula:
Se
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 is a non-metal chemical element that is part of the chalcogen group on the periodic table, which also includes oxygen, sulfur, tellurium, and polonium. It carries the atomic number 34 and is represented by the symbol Se. Physically, selenium exhibits several allotropic forms, the most stable of which are a gray, metallic-looking form and a red form. The gray form has a structure similar to that of crystalline sulfur, while the red form consists of small, amorphous powdery particles. Chemically, selenium is known for its photoconductive and photovoltaic properties, which enable it to convert light energy into electrical energy, making it a component in several technological applications such as photocopier components and solar cells. Moreover, selenium is capable of combining with a variety of other elements, forming compounds with hydrogen, metals, or nonmetals.


Selenium (CAS 7782-49-2) References

  1. The role of selenium in inflammation and immunity: from molecular mechanisms to therapeutic opportunities.  |  Huang, Z., et al. 2012. Antioxid Redox Signal. 16: 705-43. PMID: 21955027
  2. Selenium in the environment, metabolism and involvement in body functions.  |  Mehdi, Y., et al. 2013. Molecules. 18: 3292-311. PMID: 23486107
  3. Selenium and selenoproteins: an overview on different biological systems.  |  Mangiapane, E., et al. 2014. Curr Protein Pept Sci. 15: 598-607. PMID: 24910086
  4. Selenium biomineralization for biotechnological applications.  |  Nancharaiah, YV. and Lens, PN. 2015. Trends Biotechnol. 33: 323-30. PMID: 25908504
  5. The Epidemiology of Selenium and Human Cancer.  |  Vinceti, M., et al. 2017. Adv Cancer Res. 136: 1-48. PMID: 29054414
  6. Acute human toxicity and mortality after selenium ingestion: A review.  |  Hadrup, N. and Ravn-Haren, G. 2020. J Trace Elem Med Biol. 58: 126435. PMID: 31775070
  7. Selenium as an interesting option for the treatment of Chagas disease: A review.  |  Alcolea, V. and Pérez-Silanes, S. 2020. Eur J Med Chem. 206: 112673. PMID: 32810750
  8. Selenium stimulates the antitumour immunity: Insights to future research.  |  Razaghi, A., et al. 2021. Eur J Cancer. 155: 256-267. PMID: 34392068
  9. Anticancer Activity of Selenium Nanoparticles In Vitro Studies.  |  Martínez-Esquivias, F., et al. 2022. Anticancer Agents Med Chem. 22: 1658-1673. PMID: 34515010
  10. Role for Selenium in Metabolic Homeostasis and Human Reproduction.  |  Mojadadi, A., et al. 2021. Nutrients. 13: PMID: 34579133
  11. Safety of selenium exposure and limitations of selenoprotein maximization: Molecular and epidemiologic perspectives.  |  Vinceti, M., et al. 2022. Environ Res. 211: 113092. PMID: 35259406
  12. Voyage of selenium from environment to life: Beneficial or toxic?  |  Banerjee, M., et al. 2022. J Biochem Mol Toxicol. 36: e23195. PMID: 35976011
  13. Selenium nanoparticles: Properties, preparation methods, and therapeutic applications.  |  Xiao, X., et al. 2023. Chem Biol Interact. 378: 110483. PMID: 37044285

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Selenium, 50 g

sc-250973
50 g
$61.00