Praseodymium
Praseodymium (Pr), CAS 7440-10-0, is a soft, silvery-white rare-earth metal with a molecular weight of 140.91 g/mol. Known for its unique magnetic and optical properties, it finds applications in catalysis, materials science, and the production of specialised alloys. Its primary characteristic is its reactivity, particularly when finely divided. TSS offers Praseodymium in ingot form, assaying 99.9% trace metals basis.
Catalysis
Praseodymium compounds can act as catalysts in various chemical reactions. Their specific electronic structure allows them to facilitate or accelerate certain organic transformations.
Materials Science
This rare-earth metal is used in the development of advanced materials, including specialised glass and ceramics. Its unique optical properties contribute to specific colourations and functionalities in these materials.
Alloy Production
Praseodymium can be incorporated into alloys to modify their properties. It is sometimes used in mischmetal for lighter flints and in certain high-strength alloys.
Research and Development
As a rare-earth element, Praseodymium is a subject of ongoing research for novel applications in electronics, optics, and chemical synthesis.
| Molecular weight | 140.91 |
|---|---|
| Empirical formula | Pr |
| Assay | 99.9% trace metals basis |
| Form | ingot |
| Boiling point | 3520 °C(lit.) |
| Density | 6.71 g/mL at 25 °C(lit.) |
| Particle size | ~40 mesh |
| Melting point | 931 °C(lit.) |
Hazard statements
- H250Catches fire spontaneously if exposed to air
Precautionary statements
- P222Do not allow contact with air
- P231Handle under inert gas
- P422
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1383 4.2/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 17 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Resistivity | 68 μΩ-cm, 20°C |
|---|
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 Praseodymium (CAS 7440-10-0) used for?
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Praseodymium is used in catalysis, materials science for specialised glass and ceramics, alloy production, and in research and development for novel applications.
What are the CAS number and formula for Praseodymium?
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The CAS number for Praseodymium is 7440-10-0, and its chemical formula is Pr.
What grade and purity does Tech Serve Solutions supply for Praseodymium?
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Tech Serve Solutions supplies Praseodymium ingot with an assay of 99.9% trace metals basis. This product is intended for research and industrial applications and is not supplied as USP, BP, EP, or pharmacopoeia grade.
How is Praseodymium safely handled?
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Praseodymium is a highly pyrophoric solid (H250) and must be handled with extreme caution. It ignites spontaneously in air, especially when finely divided. Store under inert gas or mineral oil and handle with appropriate personal protective equipment, including eyeshields, gloves, and a full-face particle respirator. Avoid contact with air and moisture.
How is Praseodymium packed and shipped?
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Praseodymium is typically packed under inert conditions to prevent oxidation. It is shipped as a hazardous material (UN 1383, Class 4.2) requiring specific packaging and documentation. TSS complies with all international shipping regulations for hazardous chemicals.
How can I request a quote or sample for Praseodymium?
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To request a quote or sample for Praseodymium, please contact our sales team via the website or call us directly. Please specify the quantity required and your intended application.
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