Calcium sulfide
Calcium sulfide (CAS: 20548-54-3, CaS, MW: 72.14) is an inorganic compound supplied by Tech Serve Solutions as a high-purity powder (≥99.9% trace metals basis). This chalcogenide is recognised for its applications in materials science, including as a phosphor material and in catalysis. Its unique chemical properties make it a valuable reagent in various synthesis and research applications.
Phosphor Materials
Calcium sulfide serves as a foundational material in the development of phosphors, crucial components in lighting and display technologies. Its ability to exhibit luminescence when excited makes it a valuable precursor in this field.
Catalysis and Inorganic Chemistry
As a chalcogenide compound, CaS finds utility in catalysis and broader inorganic chemistry research. It can act as a reactant or catalyst in various chemical transformations and synthetic pathways.
Materials Science Research
This compound is employed in materials science for the synthesis of novel materials and the investigation of their properties. Its inclusion in alternative energy research highlights its potential in developing new energy solutions.
Chemical Synthesis
Calcium sulfide is a useful reagent in chemical synthesis, particularly for introducing sulfur into organic or inorganic structures. It is also a source of calcium ions in specific reactions.
| Molecular weight | 72.14 |
|---|---|
| Linear formula | CaS |
| Assay | ≥99.9% trace metals basis |
| Form | powder |
| Particle size | −325 mesh |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3179 4.1/PG 2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 31-36/37/38-50 |
| Safety statements (S) | 28-61 |
| Supplemental hazards | Contact with acids liberates toxic gas. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Calcium sulfide used for?
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Calcium sulfide (CaS) is used in applications such as phosphor materials, catalysis, inorganic chemistry research, materials science, and chemical synthesis. It is also noted for its relevance in alternative energy research.
What are the CAS number and formula for Calcium sulfide?
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The CAS number for Calcium sulfide is 20548-54-3, and its chemical formula is CaS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Calcium sulfide as a powder with an assay of ≥99.9% trace metals basis. TSS does not represent this product as USP, BP, or EP grade.
How should Calcium sulfide be handled safely?
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Calcium sulfide is a Warning substance that causes skin irritation, serious eye irritation, and respiratory irritation (H315-H319-H335). It is also toxic to aquatic life with long-lasting effects (H400). Avoid breathing dust and ensure adequate ventilation. Wear dust mask type N95 (US), eyeshields, and gloves. Contact with acids liberates toxic gas. Handle in accordance with GHS hazard statements and precautionary statements provided.
Is Calcium sulfide shipped internationally?
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Yes, Tech Serve Solutions specialises in global supply and export of fine chemicals, including Calcium sulfide.
How can I request a quote or sample?
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To request a quote or sample of Calcium sulfide, please contact our sales team through the website or via your usual sales channel.
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