Iron(II) Sulfide

FeS

IUPAC: Iron(II) sulfide

CAS: 1317-37-9

Overview

Iron(II) sulfide occurs naturally as troilite and pyrrhotite. It is used to generate hydrogen sulfide in laboratory settings and in Kipp's generators.

Composition

Element Symbol Atoms Atomic Mass
Sulfur S 1 32.0600
Iron Fe 1 55.8450

Elemental Composition

S
Sulfur ×1
36.5%
Fe
Iron ×1
63.5%

Uses

  • • H₂S generation
  • • Iron production
  • • Pigment

Fun Facts

  • ✦ Found in meteorites, suggesting it formed in the early solar system

Safety

  • ⚠ Releases toxic H₂S with acid

Structure

SMILES

S=[Fe]

Properties

Type
salt
State
solid
Molar Mass
87.91 g/mol
Density
4.8400 g/cm³
Melting Point
1194.0 °C
Solubility
insoluble

Molecular Descriptors

Exact Mass
87.9070
TPSA
32.1 Ų
H-Bond Donors
0
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
2
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 Iron(II) Sulfide?
Iron(II) Sulfide (FeS) is a salt compound with the IUPAC name Iron(II) sulfide.
What is the molecular weight of Iron(II) Sulfide?
Iron(II) Sulfide has a molar mass of 87.91 g/mol.
What state is Iron(II) Sulfide at room temperature?
Iron(II) Sulfide is a solid at room temperature.
Is Iron(II) Sulfide organic or inorganic?
Iron(II) Sulfide is classified as an inorganic compound.
What elements make up Iron(II) Sulfide?
Iron(II) Sulfide (FeS) is composed of Sulfur (S), Iron (Fe).