Description
Specifications Table
Product Name – Potassium fluoride, anhydrous
Quantity/Pack Size – 500 g
Form – Crystalline powder
Grade – ARS, ACS
Application – Inorganic synthesis, etching, analytical reagent
Product Overview
Potassium fluoride anhydrous (KF) in ARS and ACS grades is a high-purity, moisture-sensitive crystalline powder designed for precision laboratory applications. With an assay exceeding 99%, this reagent ensures reliable results in inorganic synthesis, glass etching, and analytical procedures where fluoride ion reactivity is critical. The anhydrous form eliminates water interference, making it suitable for anhydrous reactions and moisture-sensitive processes. Its fine crystalline structure allows for rapid dissolution in polar solvents, while the ARS (Analytical Reagent Standard) and ACS (American Chemical Society) certifications guarantee compliance with stringent purity requirements. The product is packaged in airtight containers to prevent hydrolysis and contamination, ensuring long-term stability. As a strong fluoride donor, it serves as an essential component in organofluorine chemistry and as a catalyst in various chemical transformations. The absence of hydrates or additives makes this grade particularly valuable for applications requiring precise stoichiometric control.
FAQs
1. What is the difference between ARS and ACS grades in potassium fluoride?
ARS (Analytical Reagent Standard) and ACS (American Chemical Society) grades both indicate high purity, but ACS follows stricter specifications set by the ACS Committee on Analytical Reagents, often including additional tests for trace impurities.
2. Can this product be used for fluoride ion selective electrode calibration?
Yes, the high purity and precise fluoride content make it suitable for preparing calibration standards for fluoride ion selective electrodes, provided proper dissolution and handling procedures are followed.
3. What precautions should be taken when storing potassium fluoride anhydrous?
Store in a tightly sealed container in a cool, dry place away from moisture and incompatible substances like acids. Use desiccants in the storage area to maintain anhydrous conditions.
4. Is this product compatible with glass containers for long-term storage?
While short-term storage in glass is acceptable, prolonged contact may cause etching due to fluoride ion reactivity. Polyethylene or polypropylene containers are recommended for extended storage.
5. What alternatives exist for applications requiring lower fluoride concentrations?
Potassium bifluoride (KHF2) offers a less reactive alternative with lower fluoride ion availability, while sodium fluoride provides similar properties with different solubility characteristics.










