Nickel arsenide

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Nickel arsenide

Names
Other names Nickel monoarsenide
Identifiers
CAS Number	1303-13-5
3D model (JSmol)	Interactive image
ECHA InfoCard	100.043.776
EC Number	248-169-1
PubChem CID	101946360
UNII	2A4QIT3M17
CompTox Dashboard (EPA)	DTXSID9067273
InChI InChI=1S/As.Ni Key: UIFOTCALDQIDTI-UHFFFAOYSA-N
SMILES [Ni].[As]
Properties
Chemical formula	AsNi
Molar mass	133.6150 g·mol−1
Appearance	red solid
Density	7.57 g/cm3
Melting point	968 °C (1,774 °F; 1,241 K)
Solubility in water	nearly insoluble
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H317, H350i, H372, H410
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Nickel arsenide is a compound of nickel and arsenic and component of the ore nickeline. It is highly toxic^{[citation needed]} and a known carcinogen in humans. Uncontrolled decomposition of nickel arsenide can give rise to further toxic nickel compounds.^{[citation needed]}

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 German: kupfer (copper) in the name. The German: Nickel (demon) name was reflecting the damage it did to the health of the workers,^[1] in addition to them being unable to extract any copper from this ore.

The acute oral LD50 in rats is about 6000 mg/kg.^[2]

The main compound within nickeline, nickel arsenide (NiAs), can be prepared by direct combination of the elements:

Ni(s) + As(s) → NiAs(s)^[3]

• Thompson, J.G.; Rae, A.D.; Withers, R.L.; Welberry, T.R.; Willis, A.C. (1988-08-10). "The crystal structure of nickel arsenide". Journal of Physics C: Solid State Physics. 21 (22). IOP Publishing: 4007–4015. Bibcode:1988JPhC...21.4007T. doi:10.1088/0022-3719/21/22/016. ISSN 0022-3719.
• Sunderman, F.W. (1989). "A pilgrimage into the archives of nickel toxicology" (PDF). Annals of Clinical and Laboratory Science. 19 (1): 1–16. ISSN 0091-7370. PMID 2644888. Retrieved 2024-10-13.
• Reagan, E. L. (1992). "Acute Oral LD₅₀ Study in Rats with Nickel Arsenide". Journal of the American College of Toxicology. 11 (6). SAGE Publications: 695. doi:10.3109/10915819209142088. ISSN 0730-0913.

• "Toxicity classification". ECHA. 2015-06-01. Retrieved 2024-10-13.

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