Iron(III) Chloride

FeCl₃

IUPAC: Iron(III) chloride

CAS: 7705-08-0

Overview

Iron(III) chloride is a dark, hygroscopic compound used as a water treatment agent and printed circuit board etchant.

Composition

Element Symbol Atoms Atomic Mass
Chlorine Cl 3 35.4500
Iron Fe 1 55.8450

Elemental Composition

Cl
Chlorine ×3
65.6%
Fe
Iron ×1
34.4%

Uses

  • • Water purification
  • • PCB etching
  • • Sewage treatment
  • • Catalyst

Fun Facts

  • ✦ FeCl₃ turns dark red in solution and is used to detect phenols in organic chemistry

Safety

  • ⚠ Corrosive
  • ⚠ Irritant

Structure

SMILES

Cl[Fe](Cl)Cl

Properties

Type
salt
State
solid
Molar Mass
162.20 g/mol
Density
2.9000 g/cm³
Melting Point
307.6 °C
Boiling Point
316.0 °C
Solubility
920 g/L at 25°C

Molecular Descriptors

Exact Mass
160.8415
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 Iron(III) Chloride?
Iron(III) Chloride (FeCl₃) is a salt compound with the IUPAC name Iron(III) chloride.
What is the molecular weight of Iron(III) Chloride?
Iron(III) Chloride has a molar mass of 162.2 g/mol.
What state is Iron(III) Chloride at room temperature?
Iron(III) Chloride is a solid at room temperature.
Is Iron(III) Chloride organic or inorganic?
Iron(III) Chloride is classified as an inorganic compound.
What elements make up Iron(III) Chloride?
Iron(III) Chloride (FeCl₃) is composed of Chlorine (Cl), Iron (Fe).