Cesium Iodide Powder CsI 99.9% Research Grade ATOMFAIR®

Price range: $140.00 through $559.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Cesium iodide (CsI) powder, 99.9% purity, white crystalline solid. 632 °C melting point and 1280 °C boiling point for scintillator research.

SKU: AF-FM-C-CSIX-999P-SP00
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Atomfair Cesium Iodide Powder (CsI), 99.9% Purity



Atomfair Cesium Iodide Powder (CsI), 99.9% Purity

Product Description

Atomfair cesium iodide (CsI) is supplied as a white crystalline solid with 99.9% 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 99.9%
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

  • 99.9% 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.

E-MAIL: inquiry@atomfair.com



This powder is slightly hygroscopic and requires storage in a dry, inert atmosphere to prevent moisture uptake. Avoid exposure to ambient humidity during handling and use to maintain material integrity.

  • Moisture Sensitivity Handling: Store in a sealed container under dry nitrogen or in a desiccator to preserve purity and prevent degradation.

What is the significance of the 99.9% purity level for CsI in scintillator and electromagnetic calorimetry applications?

The 99.9% purity ensures minimal impurities that could cause afterglow or reduced light yield in scintillation detection. Atomfair CsI is a white crystalline solid with a density of 4.51 g/cm³ and a refractive index of 1.7873 at 0.59 µm, making it suitable for high-energy physics and X-ray detection research.

Can Atomfair CsI powder be used directly in FTIR beam-splitter and X-ray detector research?

Yes, the product is specifically intended for research on scintillator, electromagnetic calorimetry, FTIR beam-splitters, X-ray detectors, and image intensifiers. However, its slightly hygroscopic nature requires careful handling to prevent moisture absorption that could affect optical clarity. Technical documentation including COA and SDS is available upon request.

What storage and handling precautions are required for slightly hygroscopic CsI powder?

Due to its slight hygroscopicity, the powder should be stored in a dry, sealed container away from moisture. The product has a melting point of 632 °C and water solubility of 848 g/L at 25 °C, so exposure to humidity or liquid water will cause dissolution or degradation. Use in a low-humidity environment or glovebox for best results.

Atomfair CsI powder (99.9% purity) is assessed for use in scintillator, X-ray detector, and FTIR beam-splitter research. Its slightly hygroscopic nature requires humidity-controlled storage to maintain performance.

Positive

  • High purity for research: 99.9% purity ensures minimal impurity interference in scintillator and electromagnetic-calorimetry experiments.
  • Broad application scope: Suitable for multiple detection technologies including scintillators, FTIR beam-splitters, X-ray detectors, and image intensifiers.

Trade-offs

  • Slightly hygroscopic powder: The material is slightly hygroscopic, requiring storage in a dry environment to prevent moisture absorption and maintain crystal integrity.

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).

Package

100g, 250g, 500g