Copper(I) Oxide

Cu₂O

IUPAC: Dicopper oxide

CAS: 1317-39-1

Overview

Copper(I) oxide is a red powder used in antifouling paint for ship hulls and as a fungicide. It occurs naturally as the mineral cuprite.

Composition

Element Symbol Atoms Atomic Mass
Oxygen O 1 15.9990
Copper Cu 2 63.5460

Elemental Composition

O
Oxygen ×1
11.2%
Cu
Copper ×2
88.8%

Uses

  • • Antifouling paint
  • • Fungicide
  • • Solar cell research
  • • Red ceramic glaze

Fun Facts

  • ✦ The red color of some antique Roman glass comes from copper(I) oxide nanoparticles

Safety

  • ⚠ Irritant
  • ⚠ Toxic to aquatic organisms

Structure

SMILES

O=[Cu].[Cu]

Properties

Type
oxide
State
solid
Molar Mass
143.09 g/mol
Density
6.0000 g/cm³
Melting Point
1244.0 °C
Solubility
insoluble

Molecular Descriptors

Exact Mass
141.8541
TPSA
17.1 Ų
H-Bond Donors
0
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
3
Complexity
2.0

Related Compounds

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Barium Oxide

BaO

Beryllium Oxide

BeO

Bismuth(III) Oxide

Bi₂O₃

Boron Trioxide

B₂O₃

Cadmium Oxide

CdO

Calcium Oxide

CaO

Carbon Dioxide

CO₂

Carbon Monoxide

CO

Frequently Asked Questions

What is Copper(I) Oxide?
Copper(I) Oxide (Cu₂O) is a oxide compound with the IUPAC name Dicopper oxide.
What is the molecular weight of Copper(I) Oxide?
Copper(I) Oxide has a molar mass of 143.09 g/mol.
What state is Copper(I) Oxide at room temperature?
Copper(I) Oxide is a solid at room temperature.
Is Copper(I) Oxide organic or inorganic?
Copper(I) Oxide is classified as an inorganic compound.
What elements make up Copper(I) Oxide?
Copper(I) Oxide (Cu₂O) is composed of Oxygen (O), Copper (Cu).