Description

Tetraphenylborate is an organoboron compound widely used as a key reagent and analytical standard. Its primary value lies in its ability to form insoluble salts with potassium and other large cations, making it indispensable for precise analytical and synthetic chemistry. This product is essential for researchers and manufacturers in the pharmaceutical, chemical analysis, and specialty materials sectors. Tetraphenylborate CAS NO 4358-26-3 is a critical component for ion-selective electrodes and precipitation titrations.

Application

• Potassium Ion Determination: Used as a primary reagent in the gravimetric and titrimetric analysis of potassium ions in various matrices.
• Pharmaceutical Intermediates: Serves as a counterion in the purification and isolation of pharmaceutical actives and alkaloids.
• Ion-Selective Electrodes (ISEs): A key component in the membrane of electrodes used for selective potassium ion sensing.
• Catalysis & Synthesis: Employed as an anion in phase-transfer catalysis and the synthesis of organometallic complexes.
• Analytical Standard: Provides a high-purity reference standard for calibration in instrumental analysis (e.g., HPLC, NMR).
• Precipitation Reagent: Utilized for the selective precipitation of large organic cations from solution for separation or purification.

Basic Information

Product Name	Tetraphenylborate
CAS No.	4358-26-3
Molecular Formula	C24H20B
Molecular Weight	319.23 g/mol
Synonyms	Sodium Tetraphenylborate; Tetraphenylboron Sodium Salt; Kalignost; TPB; NaBPh4; Boric Acid, Tetraphenyl-, Sodium Salt; Tetraphenylborate Ion; Tetraphenylboron Anion; Tetraphenyl Sodium Borate
EINECS	224-439-0

Quality Control

Our Tetraphenylborate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by titration and identification by FT-IR, to ensure it meets the high-purity standards required for analytical and synthetic applications. A Certificate of Analysis (COA) detailing purity, impurities, and physical properties is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 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.