Atomfair Cesium Iodide Powder (CsI), 99.99% Purity
Product Description
Atomfair cesium iodide (CsI) is supplied as a white crystalline solid with 99.99% purity. It is intended for research on scintillator and electromagnetic-calorimetry.
Technical Specifications
| PARAMETER DETAILS | |
|---|---|
| Product | Cesium Iodide Powder (CsI) |
| Material | Cesium Iodide |
| Chemical Formula | CsI |
| CAS Number | 7789-17-5 |
| Purity | 99.99% |
| Physical State | Powder |
| Appearance | White crystalline solid |
| EC / EINECS Number | 232-145-2 |
| Molar Mass | 259.809 g/mol |
| Density | 4.51 g/cm³ |
| Melting Point | 632 °C |
| Boiling Point | 1280 °C |
| Water Solubility | 848 g/L at 25 °C |
| Crystal Structure | CsCl-type, cP2 |
| Refractive Index | 1.7873 at 0.59 µm |
| Moisture Sensitivity | Slightly hygroscopic |
Key Features and Advantages
- 99.99% purity.
- White crystalline solid.
APPLICATION SCOPE: scintillator and electromagnetic-calorimetry, FTIR beam-splitter, X-ray detector, and image-intensifier research
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.
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).






