Barium pyrophosphate
Barium pyrophosphate (CAS: 13466-21-2; Formula: Ba2P2O7) is an inorganic compound with a molecular weight of 448.60 g/mol. Supplied by Tech Serve Solutions as a powder with an assay of 99.9% trace metals basis, it is primarily recognised for its role as a phosphor host material. This compound exhibits interesting emission properties when doped with rare earth and other elements, making it valuable in materials science research, particularly for alternative energy applications.
- IUPAC
- Barium diphosphate,Barium phosphate,Dibarium diphosphate,Dibarium pyrophosphate

Phosphor Host Material
Barium pyrophosphate serves as a promising host for phosphors. Its structure allows for doping with various elements, leading to tunable photoluminescent properties essential for developing new lighting and display technologies.
NIR Photoluminescence
When doped with bismuth, Ba2P2O7 crystals exhibit broadband Near-Infrared (NIR) photoluminescence. This characteristic is of interest for applications in optical sensing and specialized lighting.
Materials Science Research
The compound's unique properties make it a subject of study in materials science, particularly in the development of advanced ceramic and alternative energy materials.
| Molecular weight | 448.60 |
|---|---|
| Empirical formula | Ba2P2O7 |
| Assay | 99.9% trace metals basis |
| Form | powder |
| Particle size | -200 mesh |
| Application | Ba2P2O7 is a promising phosphor host material, showing different emission properties upon doping with rare earth and other elements. Bi doped Ba2P2O7 crystals exhibit broadband NIR photoluminescence. |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| 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 pyrophosphate used for?
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Barium pyrophosphate (CAS: 13466-21-2) is primarily used as a phosphor host material, exhibiting broadband NIR photoluminescence when doped with elements like bismuth, making it valuable for materials science and alternative energy research.
What is the CAS number and formula for Barium pyrophosphate?
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The CAS number for Barium pyrophosphate is 13466-21-2, and its chemical formula is Ba2P2O7.
What grade and purity does Tech Serve Solutions supply for Barium pyrophosphate?
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Tech Serve Solutions supplies Barium pyrophosphate with an assay of 99.9% trace metals basis, in powder form. We do not represent this product as USP, BP, EP, or for any specific pharmacopoeia or food-grade application.
How should Barium pyrophosphate be handled?
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Barium pyrophosphate is classified as harmful if swallowed and harmful if inhaled (H302 + H332). Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for full handling and safety information. WGK Germany: 3.
How is Barium pyrophosphate packed and shipped?
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Barium pyrophosphate is typically supplied as a powder. Tech Serve Solutions handles the export of chemicals globally, adhering to all necessary regulations for safe and compliant transportation.
How can I request a quote or sample for Barium pyrophosphate?
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To request a quote or sample of Barium pyrophosphate, please contact our sales team via the website or by phone. We are happy to assist with your research and commercial needs.
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