Description

Potassium Tetrafluoroborate is an inorganic salt widely utilized as a versatile source of fluoride and boron ions in industrial processes. Its primary value lies in its role as a robust, non-hygroscopic fluxing agent and a key reagent in the synthesis of other boron and fluorine-containing compounds. This product is essential for manufacturers in the metallurgical, ceramic, and specialty chemical industries seeking reliable performance in high-temperature applications and precise chemical synthesis.

Application

• Fluxing Agent in Metallurgy: Used in aluminum and magnesium alloy production to refine grain structure and remove oxides.
• Ceramics and Glass Manufacturing: Acts as a flux to lower melting temperatures and improve the properties of glazes and enamels.
• Chemical Synthesis: Serves as a key precursor for generating boron trifluoride gas and synthesizing other tetrafluoroborate salts.
• Electroplating: Employed in specific plating baths as a source of fluoride ions to stabilize electrolyte solutions.
• Soldering and Brazing: Functions as a component in fluxes to clean metal surfaces and promote strong joint formation.
• Catalyst Support: Used in the preparation of catalysts for organic reactions, including alkylation and polymerization.

Basic Information

Product Name	Potassium Tetrafluoroborate
CAS No.	14075-53-7
Molecular Formula	KBF4
Molecular Weight	125.90 g/mol
Synonyms	Potassium Fluoroborate; Potassium Borofluoride; Tetrafluoroboric Acid Potassium Salt; Potassium BF4; Potassium Tetrafluoroborane; KBF4; Potassium Tetrahydrofluoroborate
EINECS	237-928-2

Quality Control

Our Potassium Tetrafluoroborate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. The product is tested against rigorous in-house specifications, which typically include assay, impurity profile, and physical property analysis. A Certificate of Analysis (COA) detailing the results for each production lot is provided to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and strong bases. Although not highly hygroscopic, prolonged exposure to moist air should be avoided.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (KBF4)	≥ 98.0 %
Water Insoluble Matter	≤ 0.5 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.01 %
Heavy Metals (as Pb)	≤ 0.002 %
Iron (Fe)	≤ 0.005 %
Moisture (Loss on Drying)	≤ 0.5 %

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