Barium tungstate
Barium tungstate (BaWO <sub>4</sub> , CAS 7787-42-0) is a chemical compound with a molecular weight of 385.16 g/mol. Supplied by Tech Serve Solutions as a powder with an assay of 99.9% trace metals basis, this material is primarily used in research for investigating luminescence properties, developing antimonate photocatalysts, and exploring dielectric characteristics in composite ceramics for microwave applications. Its applications also extend to nanohybrid synthesis and as a reactant in chemical synthesis.
- IUPAC
- Barium white,Tungsten white

Luminescence and Photocatalyst Research
Barium tungstate is investigated for its luminescence properties. It also serves as a component in the development of antimonate photocatalysts, contributing to advancements in photochemical applications.
Ceramics and Microwave Applications
This compound is explored for its dielectric and tunable characteristics within composite ceramics, particularly for microwave applications. Research includes nanohybrid synthesis and its conversion to hexagonal tungsten trioxide nanosheets.
Chemical Synthesis
Barium tungstate functions as a reactant in chemical synthesis, notably in ammonolysis reactions to produce oxynitrides. Electrochemical synthesis of barium tungstate crystals is also a subject of study.
| Molecular weight | 385.16 |
|---|---|
| Linear formula | BaWO4 |
| Assay | 99.9% trace metals basis |
| Form | powder |
| Density | 5.04 g/mL at 25 °C(lit.) |
| Particle size | −100 mesh |
| Application | Investigations on: • Luminescence properties1• Antimonate photocatalysts2,3• Dielectric and tunable characteristics of composite ceramics for microwave applications4• Nanohybrid synthesis, luminescence and spontaneous conversion to hexagonal tungsten trioxide nanosheets5Electrochemical synthesis and investigation of barium tungstate crystals6Reactant for ammonolysis to give oxynitride7 |

Hazard statements
- H302Harmful if swallowed
- H332Harmful if inhaled
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/22 |
| Safety statements (S) | 28 |
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 Barium tungstate used for?
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Barium tungstate is used in research for its luminescence properties, in the development of antimonate photocatalysts, for dielectric and tunable characteristics in composite ceramics for microwave applications, and as a reactant in chemical synthesis.
What is the CAS number and formula for Barium tungstate?
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The CAS number for Barium tungstate is 7787-42-0, and its linear formula is BaWO <sub>4</sub> .
What grade and purity does Tech Serve Solutions supply for Barium tungstate?
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Tech Serve Solutions supplies Barium tungstate with an assay of 99.9% trace metals basis. This is a technical grade for research and development purposes; it is not supplied as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling precautions for Barium tungstate?
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Barium tungstate is harmful if swallowed (H302) and harmful if inhaled (H332). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation when handling.
How is Barium tungstate supplied and exported by Tech Serve Solutions?
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Barium tungstate is supplied as a powder. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Barium tungstate, adhering to all export regulations.
How can I request a quote or sample of Barium tungstate?
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To request a quote or a sample of Barium tungstate, please contact our sales team through the Tech Serve Solutions website or by phone, providing your specific requirements.
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