Calcium Sulfide
- Formula: CaS
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- CAS No: 20548-54-3
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- EC No: 243-873-5
Calcium Sulfide powder is available as a 99.9 pure (trace metals basis) powder in large batch quantities. Calcium Sulfide can be manufacturered as a phosphor—typically doped (activated) with a rare earth element such as Terbium, Cerium, or Europium. Europium doped Calcium Sulfide is available upon request as a red phosphor for LED applications. Lorad has developed a proprietary method for synthesizing maximum efficiency Calcium Sulfide phosphors with a particle size less than 5 microns. These phosphors are more efficient than mechanically milled and re-activated phosphors and the process to manufacture them is more efficient and cost-effective than particle fractionation methods.
Other Identifiers
- Catalog #CA-1200
- SynonymsCalcium Sulphide
Calcium Sulfide Health and Safety
- TSCAYes
View Safety Data Sheet
Calcium Sulfide Notes
Lorad can custom synthesize the ternary sulfide, Strontium Calcium Sulfide (SrxCa1-xS:Eu) as a red phosphor for a wavelength shifted red phosphor LED application.
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Calcium Sulfide Physical Properties
- Molecular Weight72.14 g/mol
- Typical Purity99.9
- Form
Available as a powder. Doping with a rare earth element such as Terbium, Cerium, or Europrium is available.
- Theoretical Density2.59 g/cm³
- Melting Point2,525°C (4,577°F)
- Crystal SystemCubic