Cerium monosulfide
Chemical compound
From Wikipedia, the free encyclopedia
Cerium monosulfide is a binary inorganic compound of cerium and sulfur with the chemical formula CeS.[1][2][3][4] This is the simplest of cerium sulfides.
| Names | |
|---|---|
| Other names
Cerium sulfide (CeS) | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
CompTox Dashboard (EPA) |
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| Properties | |
| CeS | |
| Molar mass | 172.18 g·mol−1 |
| Appearance | Yellow crystalline solid |
| Density | 5.9 g/cm3 |
| Melting point | 2,445 °C (4,433 °F; 2,718 K) |
| insoluble | |
| Structure | |
| cubic | |
| Related compounds | |
Other anions |
Cerium monoselenide Cerium monotelluride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis
- Reduction reaction of dicerium trisulfide and cerium hydride:[5]
- Ce2S3 + CeH2 → 3CeS + H2
- Reacting cerium metal and sulfur in a planetary ball mill:[6]
- Ce + S → CeS
Physical properties
Chemical properties
Cerium monosulfide has a wetting effect on metals, and it is relatively stable to metals other than platinum. It can react violently with platinum to form an intermetallic compound, platinum cerium.[5]
