Lead(II) Sulfide

PbS

IUPAC: Lead(II) sulfide

CAS: 1314-87-0

Visão geral

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.

Composição

Elemento Símbolo Átomos Massa atômica
Sulfur S 1 32,0600
Lead Pb 1 207,2000

Composição elemental

S
13,4%
Pb
Lead ×1
86,6%

Usos

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

Curiosidades

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

Segurança

  • ⚠ Toxic (lead compound)

Structure

SMILES

[S-2].[Pb+2]

Propriedades

Tipo
salt
Estado
solid
Massa molar
239,27 g/mol
Densidade
7,6000 g/cm³
Ponto de fusão
1114,0 °C
Solubilidade
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

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).