Atomfair Cesium Bromide Powder (CsBr), 99.9% Purity, Approx. -50 Mesh
Product Description
Atomfair cesium bromide (CsBr) is supplied as a white solid with 99.9% purity and an approximately -50 mesh specification. It is intended for research on beam-splitter components for broadband spectrophotometry.
Technical Specifications
| PARAMETER DETAILS | |
|---|---|
| Product | Cesium Bromide Powder (CsBr) |
| Material | Cesium Bromide |
| Chemical Formula | CsBr |
| CAS Number | 7787-69-1 |
| Purity | 99.9% |
| Specification | Approximately -50 mesh |
| Physical State | Powder |
| Appearance | White solid |
| Water Solubility | 1230 g/L at 25 °C |
| Crystal Structure | CsCl-type cubic structure |
| EC / EINECS Number | 232-130-0 |
| Molar Mass | 212.809 g/mol |
| Density | 4.43 g/cm³ |
| Melting Point | 636 °C |
| Boiling Point | 1300 °C |
Key Features and Advantages
- 99.9% purity.
- Approximately -50 mesh specification.
- White solid.
- Water Solubility: 1230 g/L at 25 °C.
APPLICATION SCOPE: beam-splitter components for broadband spectrophotometry
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.
How does the 99.9% purity grade and -50 mesh particle size of Atomfair CsBr influence its suitability for broadband spectrophotometry beam-splitter fabrication?
The 99.9% purity minimizes optical absorption from trace impurities, which is critical for broadband transmission in UV to far-IR. The -50 mesh (particles <300 µm) ensures uniform dissolution or hot pressing, leveraging the material's high water solubility (1230 g/L at 25 °C) and well-characterized CsCl-type cubic crystal structure.
What are the key physical properties of CsBr that must be considered when designing beam-splitter components for broadband spectrophotometry?
CsBr has a density of 4.43 g/cm³, a melting point of 636 °C, and a boiling point of 1300 °C, making it suitable for hot pressing into optical windows. Its CsCl-type cubic structure provides isotropic optical behavior. However, its high water solubility (1230 g/L at 25 °C) requires careful handling to avoid moisture degradation during storage and processing.
What documentation and batch-specific information are available to verify the quality of Atomfair CsBr for research applications?
Atomfair provides a Certificate of Analysis (COA) and Safety Data Sheet (SDS) upon request for batch-specific confirmation of purity (99.9%) and other parameters. Researchers should request these documents to ensure the powder meets the required specifications for beam-splitter fabrication.
Atomfair cesium bromide powder (CsBr) at 99.9% purity and -50 mesh is evaluated for use in beam-splitter components for broadband spectrophotometry, where its high water solubility and cubic crystal structure present both processing advantages and handling constraints.
Positive
- High purity for optical applications: The 99.9% purity level minimizes impurity-induced scattering or absorption, supporting consistent optical performance in beam-splitter components for broadband spectrophotometry.
- Fine mesh for uniform deposition: The approximately -50 mesh specification provides a relatively fine powder that facilitates homogeneous mixing or dissolution, aiding reproducible fabrication of optical coatings or pressed components.
Trade-offs
- High water solubility requires dry handling: With a water solubility of 1230 g/L at 25 °C, CsBr is highly hygroscopic and must be stored and processed in low-humidity environments to prevent deliquescence and maintain purity.
- Cubic crystal structure limits optical isotropy: The CsCl-type cubic structure introduces birefringence in single-crystal form, which may require careful orientation or polycrystalline fabrication to avoid polarization-dependent effects in beam-splitter designs.
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).






