Description

Cesium Tetraphenylborate is an organometallic salt of cesium, widely recognized for its utility as a highly selective precipitating agent for large cations. This compound matters for its exceptional ability to form insoluble complexes with potassium, ammonium, and other large ions, enabling precise analytical separations and purifications. It is primarily needed by industries and research institutions involved in analytical chemistry, radiopharmaceutical precursor synthesis, and the development of specialty catalysts and ionic materials.

Application

• Analytical Chemistry Reagent: Used as a selective precipitating agent for the gravimetric determination of potassium, ammonium, rubidium, and thallium ions.
• Pharmaceutical Intermediates: Serves as a key reagent in the synthesis and purification of certain radiopharmaceutical precursors and complex organic molecules.
• Catalysis Research: Employed as a precursor or additive in the development of homogeneous and heterogeneous catalyst systems.
• Ion-Selective Electrodes: Acts as an active component in the membrane of ion-selective electrodes for potassium detection.
• Materials Science: Utilized in the preparation of specialty ionic liquids, conductive polymers, and other advanced materials.
• Nuclear Industry: Applied in processes for the separation and analysis of specific cesium isotopes or other radiometals.

Basic Information

Product Name	Cesium Tetraphenylborate
CAS No.	3087-82-9
Molecular Formula	C24H20BCs
Molecular Weight	416.23 g/mol
Synonyms	Tetraphenylboron Cesium Salt; Cesium Tetraphenyl Borate; Cesium Tetraphenylboron; Cesium TPB; Cesium B(C6H5)4; Cesium Tetraphenylboranuide; Cesium Tetraphenylborate(1-); C24H20BCs
EINECS	221-418-5

Quality Control

Our Cesium Tetraphenylborate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is tested to meet rigorous in-house specifications, which typically include assay, identification, and impurity profile analysis. A Certificate of Analysis (COA) detailing the specific results is provided with every shipment to support your quality assurance and regulatory needs.

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 product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Cesium Tetraphenylborate)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Chloride (Cl)	≤ 0.1 %
Sulfate (SO4)	≤ 0.1 %

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