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CAS No 22205-45-4 , Copper(I) sulfide

  • Name: Copper(I) sulfide
  • Synonyms: Copper(I) sulfide;-;
  • CAS Registry Number:
  • Melting Point: 1100°C
  • Density: 5.6 g/mL at 25 °C(lit.)
  • Safety Statements: Mutation data reported. See also .
  • EINECS: 244-842-9
  • Molecular Weight: 159.15
  • InChI: InChI=1/2Cu.S/rCu2S/c1-3-2
  • Risk Statements: 20/21/22-40
  • Molecular Formula: Cu2S
  • Molecular Structure:CAS No:22205-45-4 Copper(I) sulfide

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22205-45-4 Copper (I) sulfide, 99.5% (metals basis)

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22205-45-4 Cuprous Sulfide

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References of Copper(I) sulfide
Title: Cuprous Sulfide
CAS Registry Number: 22205-45-4
Molecular Formula: Cu2S
Molecular Weight: 159.16
Percent Composition: Cu 79.85%, S 20.15%
Literature References: Occurs in nature as the mineral chalcocite also called copper glance (grey, black, green, blue, or violet rhombic crystals). Prepn: Glemser, Sauer in Handbook of Preparative Inorganic Chemistry vol. 2, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1965) p 1016.
Properties: Blue to grayish-black lustrous powder, granules, or orthorhombic crystals. mp ~1100°. d420 5.6. On heating in the absence of air it forms Cu and CuS; in the presence of air it forms CuO, CuSO4 and SO2. Practically insol in water, acetic acid; very sparingly sol in HCl; dec by HNO3, concd H2SO4. Partially sol in NH4OH, readily in cyanide solns due to complex ion formation.
Melting point: mp ~1100°
Density: d420 5.6
Use: In luminous paints; in electrodes for thermoelements; in preparation of CuSO4; in solid-lubricant compositions; as catalyst.