Lead(II) Sulfide

PbS

IUPAC: Lead(II) sulfide

CAS: 1314-87-0

Tổng quan

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.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Sulfur S 1 32,0600
Lead Pb 1 207,2000

Thành phần nguyên tố

S
13,4%
Pb
Lead ×1
86,6%

Công dụng

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

Sự thật thú vị

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

An toàn

  • ⚠ Toxic (lead compound)

Structure

SMILES

[S-2].[Pb+2]

Tính chất

Loại
salt
Trạng thái
solid
Khối lượng mol
239,27 g/mol
Mật độ
7,6000 g/cm³
Điểm nóng chảy
1114,0 °C
Độ hòa tan
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).