Copper oxide black

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A brownish-black amorphous powder. Black copper oxide occurs in nature as the mineral tenorite (triclinic crystals) and paramelaconite (cubic crystals). It is used as a Pigment in Glass, artificial gems, enamels, and ceramics. Black copper oxide is also used as an Abrasive for polishing optical glass and as a Flux in Copper metallurgy.

Synonyms and Related Terms

copper (II) oxide; cupric oxide; melaconite; copper monoxide; tenorite; paramelaconite


  • Toxic by ingestion and inhalation.
  • Skin contact causes irritation.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in acids. Slightly soluble in water.

Composition CuO
CAS 1317-38-0
Melting Point 1026 C (dec)
Density 6.315 g/ml
Molecular Weight mol. wt. = 79.55

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