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CAS 12035-51-7

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Nickel sulfide (NiS2)

Description:
Nickel sulfide (NiS2) is an inorganic compound characterized by its formation of nickel and sulfur in a stoichiometric ratio of 1:2. It typically appears as a black solid and is known for its semiconductor properties, making it of interest in various electronic applications. NiS2 is insoluble in water but can dissolve in strong acids, which can lead to the release of toxic hydrogen sulfide gas upon reaction. The compound exhibits a layered crystal structure, contributing to its unique electrical and optical properties. Nickel sulfide is also studied for its potential use in catalysis and as a precursor for the synthesis of other nickel-containing materials. Due to its toxicity, handling NiS2 requires appropriate safety precautions to avoid inhalation or skin contact. Additionally, it is important to note that nickel compounds can pose environmental and health risks, necessitating careful management in industrial and laboratory settings. Overall, nickel sulfide is a significant compound in materials science and environmental chemistry.
Formula:NiS2
InChI:InChI=1/Ni.2S/rNiS2/c2-1-3
InChI key:InChIKey=HNDMNBUITRNJKK-UHFFFAOYSA-N
SMILES:[Ni](=S)=S
Synonyms:
  • Amorphousnickelsulphide
  • NiS2
  • Nickel (Iv) Sulfide
  • Nickel Disulfide
  • Nickel Sulfide 99.98%
  • Nickel sulfide (NiS<sub>2</sub>)
  • Nickeldisulphide
  • Nickelsulfide
  • Nickelsulfide,99.99%(metalsbasis)
  • Sulphidicnickel
  • See more synonyms
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