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CAS 22205-45-4

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Copper(I) sulfide

Description:
Copper(I) sulfide, with the chemical formula Cu2S, is a binary compound composed of copper and sulfur. It typically appears as a black or dark brown solid and is known for its semiconductor properties, making it of interest in various electronic applications. The compound crystallizes in a cubic structure, specifically in the chalcopyrite or covellite forms, depending on the conditions of formation. Copper(I) sulfide is insoluble in water but can dissolve in strong acids, releasing hydrogen sulfide gas. It is primarily found in nature as a mineral, often associated with copper ores, and plays a significant role in the extraction of copper through hydrometallurgical processes. Additionally, it can be synthesized through various methods, including the reaction of copper(I) salts with sulfide sources. While it has applications in materials science and electronics, handling should be done with care due to potential toxicity associated with copper compounds. Overall, Copper(I) sulfide is an important material in both geological and industrial contexts.
Formula:Cu2S
InChI:InChI=1S/2Cu.S
InChI key:InChIKey=JESPAFKOCOFQIN-UHFFFAOYSA-N
SMILES:S([Cu])[Cu]
Synonyms:
  • Austro Tecc CB 500
  • Copper sulfide
  • Copper sulfide (Cu2S)
  • Copper sulfide (Cu<sub>0.67</sub>S<sub>0.33</sub>)
  • Copper sulfide (Cu<sub>2</sub>S)
  • Copper(IV) sulfide
  • Cuprasulfide
  • Cuprous sulfide
  • Cuprous sulfide (Cu2S)
  • Cuprous sulfide (Cu<sub>2</sub>S)
  • See more synonyms
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