Description

Cesium Hexafluorosilicate is an inorganic salt of cesium and hexafluorosilicic acid, known for its role as a specialized source of cesium and fluoride ions. This compound is valued for its high reactivity and utility in advanced material synthesis and specialized chemical processes. It is primarily sought by manufacturers and research institutions in the electronics, optical glass, and specialty chemical sectors for its unique properties.

Application

• Optical Glass and Ceramics Manufacturing: Used as a fluxing agent and additive to modify refractive index and thermal properties.
• Electronics and Semiconductor Industry: Serves as a precursor for chemical vapor deposition (CVD) to deposit cesium-containing thin films.
• Specialty Catalyst Synthesis: Acts as a key reagent or dopant in the preparation of heterogeneous catalysts for organic synthesis.
• Fluorination Reagent: Provides a controlled source of fluoride ions in specific organic and inorganic fluorination reactions.
• Research and Development: Employed in academic and industrial R&D for exploring new cesium-based materials and compounds.
• Nuclear Industry: Investigated for potential use in certain scintillation materials or radiation detection applications.

Basic Information

Product Name	Cesium Hexafluorosilicate
CAS No.	16923-87-8
Molecular Formula	Cs2SiF6
Molecular Weight	407.88 g/mol
Synonyms	Cesium Silicofluoride; Dicesium Hexafluorosilicate; Cesium Fluosilicate; Cesium Silicon Fluoride; Cesium Hexafluoridosilicate(2-); Cesium Silicate Fluoride; Cs2SiF6
EINECS	240-981-0

Quality Control

Our Cesium Hexafluorosilicate is manufactured under controlled conditions to ensure batch-to-batch consistency and high purity. Quality is assured through rigorous analytical testing, including assay, impurity profiling, and physical characterization. A comprehensive Certificate of Analysis (COA) detailing purity, assay results, and trace metal content is provided with each shipment to meet the stringent requirements of industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept in a dry environment. Incompatible with strong bases.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Cs2SiF6)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Chloride (Cl)	≤ 0.01%
Sulfate (SO4)	≤ 0.01%
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 5 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.