Date published: 2026-2-25

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Copper(I) iodide (CAS 7681-65-4)

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Alternate Names:
Cuprous iodide
Application:
Copper(I) iodide is a catalyst for N-arylation of amines and amino acids
CAS Number:
7681-65-4
Purity:
≥99%
Molecular Weight:
190.45
Molecular Formula:
CuI
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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Copper(I) iodide is a copper alloy consisting of copper and iodine, and it finds wide-ranging applications in the fields of science and engineering. It is in diverse scientific applications, such as electroplating, catalysts for chemical reactions, and substrates for chemical sensors. It plays a role in the fabrication of thin-film devices like transistors and lasers. Copper(I) iodide is instrumental in the production of nanomaterials, including quantum dots and nanowires. While the precise mechanism of action of Copper(I) iodide remains partially elusive, there is a belief that the interaction between copper and iodine atoms results in the formation of a complex that exhibits catalytic properties for chemical reactions. The copper atoms are thought to function as Lewis acids, while the iodine atoms act as Lewis bases. This Lewis acid-base interaction enables Copper(I) iodide to catalyze an array of reactions.


Copper(I) iodide (CAS 7681-65-4) References

  1. Control of copper(I) iodide architectures by ligand design: angular versus linear bridging ligands.  |  Thébault, F., et al. 2006. Inorg Chem. 45: 6179-87. PMID: 16878926
  2. Iodidotris(triphenyl-phosphine)copper(I) acetonitrile solvate.  |  Venkatraman, R. and Fronczek, FR. 2008. Acta Crystallogr Sect E Struct Rep Online. 64: m577. PMID: 21202027
  3. catena-Poly[[(1,10-phenanthroline-κN,N')copper(I)]-μ(2)-iodido].  |  Yang, Y., et al. 2010. Acta Crystallogr Sect E Struct Rep Online. 66: m1486. PMID: 21588901
  4. Inhibiting copper(I) iodide aggregate assembly in the solid state via macrocyclic encapsulation.  |  Smith, DJ., et al. 2011. Dalton Trans. 40: 12257-64. PMID: 21901205
  5. 2-Benzoylpyridine thiosemicarbazone as a novel reagent for the single pot synthesis of dinuclear Cu(I)-Cu(II) complexes: formation of stable copper(II)-iodide bonds.  |  Lobana, TS., et al. 2012. Dalton Trans. 41: 4845-51. PMID: 22395858
  6. Hexa-kis-(μ(3)-1-methyl-thio-urea-κ(3)S:S:S)hexa-kis-[iodidocopper(I)].  |  Ahmad, S., et al. 2012. Acta Crystallogr Sect E Struct Rep Online. 68: m1405-6. PMID: 23284373
  7. Synthesis of 3-cyanoindole derivatives mediated by copper(I) iodide using benzyl cyanide.  |  Yuen, OY., et al. 2013. J Org Chem. 78: 3374-8. PMID: 23448701
  8. Chlorine-free pyrotechnics: copper(I) iodide as a 'green' blue-light emitter.  |  Klapötke, TM., et al. 2014. Angew Chem Int Ed Engl. 53: 9665-8. PMID: 25044436
  9. Crystal structure of catena-poly[[bis-(N-acethyl-thio-morpholine-κS)copper(I)]-μ-iodido].  |  Chiang, H., et al. 2017. Acta Crystallogr E Crystallogr Commun. 73: 53-55. PMID: 28083135
  10. A two-dimensional copper(I) coordination polymer based on 1-[2-(cyclo-hexyl-sulfan-yl)eth-yl]pyridin-2(1H)-one.  |  Park, H., et al. 2017. Acta Crystallogr E Crystallogr Commun. 73: 1782-1785. PMID: 29152373
  11. Synthesis of 2-Iodoazulenes by the Iododeboronation of Azulen-2-ylboronic Acid Pinacol Esters with Copper(I) Iodide.  |  Narita, M., et al. 2018. J Org Chem. 83: 1298-1303. PMID: 29300095
  12. Coordination-induced emission enhancement in copper(I) iodide coordination polymers supported by 2-(alkylsulfanyl)pyrimidines.  |  Vinogradova, KA., et al. 2021. Dalton Trans. 50: 9317-9330. PMID: 34132730
  13. Copper-Catalyzed Direct Perfluoroalkylation of Heteroarenes.  |  Baguia, H. and Evano, G. 2022. Chemistry. 28: e202103599. PMID: 34842313
  14. Copper(I)-Iodide Clusters as Carriers for Regulating and Visualizing Release of Aroma Molecules.  |  Wu, CJ., et al. 2023. ACS Appl Mater Interfaces. 15: 5954-5962. PMID: 36661841
  15. Synthesis, crystal structure and thermal properties of di-μ-iodido-bis-[bis-(2-chloro-pyrazine-κN)copper(I)].  |  Näther, C. and Jess, I. 2023. Acta Crystallogr E Crystallogr Commun. 79: 167-171. PMID: 36909988

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Copper(I) iodide, 5 g

sc-239579
5 g
$38.00

Copper(I) iodide, 25 g

sc-239579A
25 g
$126.00