Chromium(III) Chloride

CrCl₃

IUPAC: Chromium(III) chloride

CAS: 10025-73-7

Overview

Chromium(III) chloride is a purple-green salt used as a catalyst and mordant. Unlike hexavalent chromium compounds, trivalent chromium is relatively non-toxic.

Composition

Element Symbol Atoms Atomic Mass
Chlorine Cl 3 35.4500
Chromium Cr 1 51.9960

Elemental Composition

Cl
Chlorine ×3
67.2%
Cr
Chromium ×1
32.8%

Uses

  • • Catalyst
  • • Dyeing mordant
  • • Chrome tanning
  • • Dietary supplement (Cr(III))

Fun Facts

  • ✦ Trivalent chromium in this compound is an essential trace nutrient, unlike toxic Cr(VI)

Safety

  • ⚠ Irritant

Structure

SMILES

Cl[Cr](Cl)Cl

Properties

Type
salt
State
solid
Molar Mass
158.36 g/mol
Density
2.8700 g/cm³
Melting Point
1152.0 °C
Solubility
585 g/L at 25°C

Molecular Descriptors

Exact Mass
156.8471
TPSA
0.0 Ų
H-Bond Donors
0
H-Bond Acceptors
0
Rotatable Bonds
0
Heavy Atoms
4
Complexity
8.0

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 Chromium(III) Chloride?
Chromium(III) Chloride (CrCl₃) is a salt compound with the IUPAC name Chromium(III) chloride.
What is the molecular weight of Chromium(III) Chloride?
Chromium(III) Chloride has a molar mass of 158.36 g/mol.
What state is Chromium(III) Chloride at room temperature?
Chromium(III) Chloride is a solid at room temperature.
Is Chromium(III) Chloride organic or inorganic?
Chromium(III) Chloride is classified as an inorganic compound.
What elements make up Chromium(III) Chloride?
Chromium(III) Chloride (CrCl₃) is composed of Chlorine (Cl), Chromium (Cr).