Copper(II) Chloride

CuCl₂

IUPAC: Copper(II) chloride

CAS: 7447-39-4

Overview

Copper(II) chloride is a yellow-brown solid that turns green when hydrated. It is used as a catalyst, wood preservative, and in copper etching.

Composition

Element Symbol Atoms Atomic Mass
Chlorine Cl 2 35.4500
Copper Cu 1 63.5460

Elemental Composition

Cl
Chlorine ×2
52.7%
Cu
Copper ×1
47.3%

Uses

  • • Printed circuit board etching
  • • Catalyst
  • • Wood preservative
  • • Mordant in dyeing

Fun Facts

  • ✦ Its aqueous solution changes from green to blue depending on concentration

Safety

  • ⚠ Irritant
  • ⚠ Harmful if ingested
  • ⚠ Toxic to aquatic organisms

Structure

SMILES

Cl[Cu]Cl

Properties

Type
salt
State
solid
Molar Mass
134.45 g/mol
Density
3.3860 g/cm³
Melting Point
498.0 °C
Boiling Point
993.0 °C
Solubility
757 g/L at 25°C

Molecular Descriptors

Exact Mass
132.8673
TPSA
0.0 Ų
H-Bond Donors
0
H-Bond Acceptors
0
Rotatable Bonds
0
Heavy Atoms
3
Complexity
2.0

Related Compounds

Ammonium Bicarbonate

NH₄HCO₃

Ammonium Chloride

NH₄Cl

Ammonium Sulfate

(NH₄)₂SO₄

Barium Carbonate

BaCO₃

Barium Chloride

BaCl₂

Barium Sulfate

BaSO₄

Cadmium Sulfide

CdS

Calcium Acetate

Ca(C₂H₃O₂)₂

Calcium Carbonate

CaCO₃

Calcium Citrate

Ca₃(C₆H₅O₇)₂

Frequently Asked Questions

What is Copper(II) Chloride?
Copper(II) Chloride (CuCl₂) is a salt compound with the IUPAC name Copper(II) chloride.
What is the molecular weight of Copper(II) Chloride?
Copper(II) Chloride has a molar mass of 134.45 g/mol.
What state is Copper(II) Chloride at room temperature?
Copper(II) Chloride is a solid at room temperature.
Is Copper(II) Chloride organic or inorganic?
Copper(II) Chloride is classified as an inorganic compound.
What elements make up Copper(II) Chloride?
Copper(II) Chloride (CuCl₂) is composed of Chlorine (Cl), Copper (Cu).