Copper(I) oxide

For research use only. Not for therapeutic Use.

  • CAT Number: M050153
  • CAS Number: 1317-39-1
  • Molecular Formula: Cu2O
  • Molecular Weight: 143.09
  • Purity: ≥95%
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Copper(I) oxide (CAT: M050153) is a red to reddish-brown crystalline solid and a well-known p-type semiconductor with diverse applications across materials science and industry. It is commonly used in antifouling paints, glass and ceramic coloration, and as a catalyst in organic and electrochemical reactions. Due to its narrow bandgap and photoconductive properties, Cu₂O is extensively researched for use in solar cells, gas sensors, and photocatalysis. It also exhibits antimicrobial activity, making it useful in coatings and medical materials. As a stable, low-cost, and environmentally friendly compound, copper(I) oxide continues to play a significant role in sustainable technology development.


CAS Number 1317-39-1
Molecular Formula Cu2O
Purity ≥95%
Storage -20°C
IUPAC Name copper(1+);oxygen(2-)
InChI InChI=1S/2Cu.O/q2*+1;-2
InChIKey KRFJLUBVMFXRPN-UHFFFAOYSA-N
SMILES [O-2].[Cu+].[Cu+]
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