Calcium tungstate
Calcium tungstate (CAS 7790-75-2), with the molecular formula CaWO <sub>4</sub> and a molecular weight of 287.92 g/mol, is a white crystalline powder. This inorganic compound is recognised for its phosphorescent properties and finds applications in areas such as phosphors for lighting and X-ray imaging, as well as in alternative energy research and materials science due to its unique structural characteristics.
Phosphor Technology
Calcium tungstate is historically significant as a phosphor, emitting blue light when excited by ultraviolet radiation or X-rays. This property made it a key component in early X-ray screens and fluorescent lighting.
Materials Science Research
Utilised in materials science, calcium tungstate serves as a host material or a component in the development of novel ceramics and advanced materials with specific optical or electronic properties.
Alternative Energy Investigations
Its unique properties are explored in the context of alternative energy research, potentially contributing to the development of new energy storage or conversion technologies.
| Molecular weight | 287.92 |
|---|---|
| Linear formula | CaWO4 |
| Form | powder |
| Density | 6.06 g/mL at 25 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 tungstate (CAS 7790-75-2) used for?
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Calcium tungstate (CAS 7790-75-2) is used in phosphor technology for X-ray imaging and lighting, in materials science for developing advanced ceramics, and is investigated in alternative energy research.
What is the CAS number and formula for Calcium tungstate?
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The CAS number for Calcium tungstate is 7790-75-2 and its linear formula is CaWO <sub>4 </sub>.
What grade and purity does Tech Serve Solutions supply for Calcium tungstate?
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Tech Serve Solutions supplies Calcium tungstate as a powder, typically of technical or research grade. We do not represent this product as USP, BP, or EP grade unless explicitly stated otherwise for a specific product batch.
How should Calcium tungstate be handled safely?
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Handling Calcium tungstate requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It is classified under WGK Germany 3.
Is Calcium tungstate a controlled substance?
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Based on the provided data, Calcium tungstate is not indicated as a controlled substance.
How is Calcium tungstate packed, shipped, and exported by TSS?
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Tech Serve Solutions packs, ships, and exports Calcium tungstate in accordance with all relevant regulations for chemical substances. Packaging is designed to ensure product integrity and safety during transit.
How can I request a sample or quote for Calcium tungstate?
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To request a sample or quote for Calcium tungstate, please contact our sales department through the website or by phone, providing your specific requirements.
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