Copper(II) Nitrate

Cu(NO₃)₂

IUPAC: Copper(II) nitrate

CAS: 3251-23-8

Overview

Copper(II) nitrate is a blue crystalline salt that is highly soluble in water. It is used in patina solutions for copper and bronze, and as a catalyst.

Composition

Element Symbol Atoms Atomic Mass
Nitrogen N 2 14.0070
Oxygen O 6 15.9990
Copper Cu 1 63.5460

Elemental Composition

N
14.9%
O
51.2%
Cu
33.9%

Uses

  • Patina solution
  • Catalyst
  • Wood preservative
  • Pyrotechnics (blue-green flame)

Fun Facts

  • Creates the beautiful green-blue color on the Statue of Liberty through patina formation

Safety

  • ⚠ Oxidizer
  • ⚠ Irritant
  • ⚠ Toxic to aquatic organisms

Structure

SMILES

[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Cu+2]

Properties

Type
salt
State
solid
Molar Mass
187.56 g/mol
Density
3.0500 g/cm³
Melting Point
256.0 °C
Solubility
1380 g/L at 20°C

Molecular Descriptors

Exact Mass
186.9052
TPSA
126.0 Ų
H-Bond Donors
0
H-Bond Acceptors
6
Rotatable Bonds
0
Heavy Atoms
9
Complexity
18.0

Frequently Asked Questions

What is Copper(II) Nitrate?
Copper(II) Nitrate (Cu(NO₃)₂) is a salt compound with the IUPAC name Copper(II) nitrate.
What is the molecular weight of Copper(II) Nitrate?
Copper(II) Nitrate has a molar mass of 187.56 g/mol.
What state is Copper(II) Nitrate at room temperature?
Copper(II) Nitrate is a solid at room temperature.
Is Copper(II) Nitrate organic or inorganic?
Copper(II) Nitrate is classified as an inorganic compound.
What elements make up Copper(II) Nitrate?
Copper(II) Nitrate (Cu(NO₃)₂) is composed of Nitrogen (N), Oxygen (O), Copper (Cu).