Lead(II) Sulfide

PbS

IUPAC: Lead(II) sulfide

CAS: 1314-87-0

Aperçu

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

Élément Symbole Atomes Masse atomique
Sulfur S 1 32,0600
Lead Pb 1 207,2000

Composition élémentaire

S
Sulfur ×1
13,4%
Pb
Lead ×1
86,6%

Usages

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

Le saviez-vous

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

Sécurité

  • ⚠ Toxic (lead compound)

Structure

SMILES

[S-2].[Pb+2]

Propriétés

Type
salt
État
solid
Masse molaire
239,27 g/mol
Densité
7,6000 g/cm³
Point de fusion
1114,0 °C
Solubilité
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

Composés associés

Diammonium Phosphate

(NH₄)₂HPO₄

Ammonium Chloride

NH₄Cl

Barium Chloride

BaCl₂

Cadmium Sulfide

CdS

Calcium Sulfate

CaSO₄

Cerium(III) Chloride

CeCl₃

Copper(II) Sulfide

CuS

Ammonium Sulfate

(NH₄)₂SO₄

Ammonium Bicarbonate

NH₄HCO₃

Calcium Propionate

Ca(C₂H₅COO)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).