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Cerium Sulfide Powder CeS, CAS No 12014-82-3

Cerium Sulfide Powder CeS, CAS No 12014-82-3

Cerium Sulfide (CeS) is a rare earth sulfide compound with the chemical formula CeS and CAS number 12014-82-3. It is a black solid powder with a cubic crystal structure.


  1. Optics: Cerium sulfide is used as a pigment in various optical devices, such as laser diodes, optical filters, and x-ray scintillators.

  2. Ceramics: Cerium sulfide is used as a dopant in ceramic materials to improve their electrical and mechanical properties.

  3. Catalysts: Cerium sulfide nanoparticles can act as a catalyst for various chemical reactions, including the hydrogenation of carbon dioxide and the decomposition of water.

  4. Lubricants: Cerium sulfide can be used as a solid lubricant due to its low friction coefficient and high thermal stability.

  5. Solar cells: Cerium sulfide nanoparticles can be used as a sensitizer in dye-sensitized solar cells to improve their efficiency.

  6. Thermoelectric materials: Cerium sulfide is used as a thermoelectric material due to its high Seebeck coefficient and low thermal conductivity.

Physical Properties

Compound Formula Ce2S3
Molecular Weight 376.427
Appearance Red to dark brown crystalline powder
Melting Point 1890-2100 °C
Boiling Point N/A
Density 5.02 g/cm3
Solubility in H2O N/A
Exact Mass 375.72709
Monoisotopic Mass 375.72709


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