Atomfair Strontium Iodide Powder (SrI₂), 99.99% Purity
Product Description
Atomfair strontium iodide (SrI₂) is supplied in powder form with 99.99% purity.
Technical Specifications
| PARAMETER DETAILS | |
|---|---|
| Product | Strontium Iodide Powder (SrI2) |
| Material | Strontium Iodide |
| Chemical Formula | SrI2 |
| CAS Number | 10476-86-5 |
| Purity | 99.99% |
| Physical State | Powder |
| EC / EINECS Number | 233-972-1 |
| Molar Mass | 341.43 g/mol (anhydrous) |
| Appearance | Colorless to white crystalline platelets |
| Density | 4.55 g/cm³ (anhydrous) |
| Melting Point | 507–645 °C |
| Boiling Point | 1773 °C (decomposes) |
| Water Solubility | 177.0 g/100 mL at 20 °C |
| Crystal Structure | Orthorhombic, oP24 |
| Moisture Sensitivity | Deliquescent |
Key Features and Advantages
- 99.99% purity.
APPLICATION SCOPE: scintillator-material and gamma-ray spectroscopy research, including Eu-doped SrI₂ systems
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
TAILORED SOLUTIONS FOR RESEARCH
For product specifications and quotation support, contact the Atomfair team.
Strontium iodide powder is deliquescent and readily absorbs atmospheric moisture. Storage in a dry environment is required to maintain material integrity.
- Moisture Sensitivity Constraint: The deliquescent nature of strontium iodide necessitates storage under dry conditions to prevent moisture absorption and dissolution.
What is the significance of the 99.99% purity specification for SrI₂ powder in scintillator applications?
The 99.99% purity level minimizes impurities that can introduce luminescence quenching and afterglow, which are detrimental to energy resolution in gamma-ray spectroscopy. This purity is directly specified for application in scintillator-material research, including Eu-doped SrI₂ systems.
What is the melting point range of SrI₂ and how does it influence crystal growth for scintillator fabrication?
The melting point is listed as 507–645 °C, indicating possible phase transitions or dehydration of residual water prior to full melting. Precise thermal control and inert atmosphere handling are required during crystal growth to avoid decomposition, as the material is also deliquescent and decomposes at 1773 °C.
How should deliquescent SrI₂ powder be stored and handled for laboratory use?
SrI₂ is deliquescent and will absorb moisture from air, compromising purity and handling. It must be stored in an airtight container in a dry, inert atmosphere (e.g., argon-filled glovebox) and handled quickly to prevent hydration. The product description explicitly notes moisture sensitivity and supplies COA and SDS for batch-specific safety guidance.
Atomfair Strontium Iodide Powder (SrI₂) at 99.99% purity is a research-grade material suitable for scintillator and gamma-ray spectroscopy studies, including Eu-doped systems. Its deliquescent nature requires controlled humidity storage.
Positive
- High purity for research: 99.99% purity ensures minimal contamination for scintillator and gamma-ray spectroscopy applications, including Eu-doped SrI₂ systems.
- Well-characterized physical properties: Known crystal structure (orthorhombic), density (4.55 g/cm³), and melting point range (507–645 °C) provide reliable benchmarks for material integration and experimental design.
Trade-offs
- Deliquescent moisture sensitivity: The material is deliquescent, requiring storage in inert atmosphere or desiccator to prevent moisture absorption and degradation.
- High water solubility: Solubility of 177 g/100 mL at 20°C necessitates careful handling in humid environments and limits use in aqueous processing without precautions.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).






