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Nickel arsenide

Chemical compound of nickel and arsenic

Chemical compound of nickel and arsenic

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Nickel arsenide refers to inorganic compounds composed of nickel and arsenic. Several forms exist including a monoarsenide with the chemical formula NiAs and another with the formula Ni5As2. It is highly toxic and a known carcinogen.

Occurrence

Nickel arsenide occurs in the following minerals:

  • Nickeline (NiAs)
  • Orcelite (Ni5-xAs2, x ~ 0.25)
  • Maucherite (Ni11As8)

Preparation

Nickel arsenide can be prepared by direct combination of the elements:

:

History

Nickel arsenide was one of the first compounds that revealed the toxicity of nickel. The damage to the miners' lungs was documented by Georgius Agricola in the 16th century: "kupfer-nickel" ores in the Schneeberg mines contained red-colored NiAs mineral originally mistaken for the copper ore, thus the (copper) in the name. The (demon) name was reflecting the damage it did to the health of the workers, in addition to them being unable to extract any copper from this ore.

References

References

  1. Reagan, E. L.. (1992). "Acute Oral LD50 Study in Rats with Nickel Arsenide". SAGE Publications.
  2. Heyding, R. D.. (October 1957). "Arsenides of the transition metals: ii. the nickel arsenides". Canadian Journal of Chemistry.
  3. Gurley, Lawrence. (1986). "Biological availability of nickel arsenides: Cellular response to soluble Ni5As2". Journal of Toxicology and Environmental Health, Part A.
  4. "Nickeline".
  5. "Orcelite".
  6. "Maucherite".
  7. (2009). "Shriver and Atkins' Inorganic Chemistry". W. H. Freeman and Company.
  8. Sunderman, F.W.. (1989). "A pilgrimage into the archives of nickel toxicology". Annals of Clinical and Laboratory Science.
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