Cadmium Sulfide

CdS

IUPAC: Cadmium sulfide

CAS: 1306-23-6

Overview

Cadmium sulfide is a bright yellow pigment (cadmium yellow) used in artist paints and a semiconductor used in solar cells and photodetectors.

Composition

Element Symbol Atoms Atomic Mass
Sulfur S 1 32.0600
Cadmium Cd 1 112.4100

Elemental Composition

S
Sulfur ×1
22.2%
Cd
Cadmium ×1
77.8%

Uses

  • • Artist pigment (cadmium yellow)
  • • Solar cell
  • • Photoresistor
  • • Quantum dot precursor

Fun Facts

  • ✦ Claude Monet and other Impressionists prized cadmium yellow for its brilliance and permanence

Safety

  • ⚠ Toxic cadmium compound
  • ⚠ Carcinogen
  • ⚠ Environmental hazard

Structure

SMILES

S=[Cd]

Properties

Type
salt
State
solid
Molar Mass
144.48 g/mol
Density
4.8260 g/cm³
Melting Point
1750.0 °C
Solubility
insoluble

Molecular Descriptors

Exact Mass
145.8754
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

Calcium Acetate

Ca(C₂H₃O₂)₂

Calcium Carbonate

CaCO₃

Calcium Citrate

Ca₃(C₆H₅O₇)₂

Calcium Fluoride

CaF₂

Frequently Asked Questions

What is Cadmium Sulfide?
Cadmium Sulfide (CdS) is a salt compound with the IUPAC name Cadmium sulfide.
What is the molecular weight of Cadmium Sulfide?
Cadmium Sulfide has a molar mass of 144.48 g/mol.
What state is Cadmium Sulfide at room temperature?
Cadmium Sulfide is a solid at room temperature.
Is Cadmium Sulfide organic or inorganic?
Cadmium Sulfide is classified as an inorganic compound.
What elements make up Cadmium Sulfide?
Cadmium Sulfide (CdS) is composed of Sulfur (S), Cadmium (Cd).