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Potassium Fluoroborate

Potassium Fluoroborate

Potassium Fluoroborate is a stable inorganic fluoride widely used in metallurgical and chemical applications. It serves as a fusing and analytical reagent, in boron trifluoride production, aluminum and magnesium casting, and electrochemical processes.

Formula

KBF4

CAS No.

14075-53-7

Content

98% min

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Product Details

Properties

White granule crystal, slightly dissolved in water, hot alcohol and ethanol, not dissolved in alkali solutions; decomposed by strong acid to be Boron Trifluoride; codissolved with carbonate of alkali metals to be fluoride and borate; melting point 530°C

Application

Analytical reagent, fusing reagent, in manufacture of Boron trifluoride, mould material for casting Al and Mg, in electrochemical and chemical experiments

Storage

Store in a cool, ventilating place. Prevent package from breaking and deliquescing

Packing

25kg net, double plastic bags lined plastic woven sack.

Potassium Fluoroborate FAQ

What is potassium fluoroborate?

KBF₄ is a white crystalline compound with high thermal stability.

What are its main applications?

Primary use: High-temperature brazing flux

Other uses:

Aluminum refining

Heat stabilizer

Chemical synthesis

Why is it an excellent high-temperature flux?

It decomposes to release active fluorides that remove metal oxide films efficiently.

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