Lead(II) Sulfide

PbS

IUPAC: Lead(II) sulfide

CAS: 1314-87-0

Overview

Lead(II) sulfide, or galena, is the most important ore of lead and was one of the first semiconductors discovered. Ancient Egyptians used it as kohl eye makeup.

Composition

Element Symbol Atoms Atomic Mass
Sulfur S 1 32.0600
Lead Pb 1 207.2000

Elemental Composition

S
Sulfur ×1
13.4%
Pb
Lead ×1
86.6%

Uses

  • • Lead ore
  • • Infrared detector
  • • Historical cosmetic
  • • Crystal radio detector

Fun Facts

  • ✦ Galena crystals were used as point-contact diodes in early crystal radios

Safety

  • ⚠ Toxic (lead compound)

Structure

SMILES

[S-2].[Pb+2]

Properties

Type
salt
State
solid
Molar Mass
239.27 g/mol
Density
7.6000 g/cm³
Melting Point
1114.0 °C
Solubility
insoluble

Molecular Descriptors

Exact Mass
239.9487
TPSA
1.0 Ų
H-Bond Donors
0
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
2
Complexity
0.0

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 Lead(II) Sulfide?
Lead(II) Sulfide (PbS) is a salt compound with the IUPAC name Lead(II) sulfide.
What is the molecular weight of Lead(II) Sulfide?
Lead(II) Sulfide has a molar mass of 239.27 g/mol.
What state is Lead(II) Sulfide at room temperature?
Lead(II) Sulfide is a solid at room temperature.
Is Lead(II) Sulfide organic or inorganic?
Lead(II) Sulfide is classified as an inorganic compound.
What elements make up Lead(II) Sulfide?
Lead(II) Sulfide (PbS) is composed of Sulfur (S), Lead (Pb).