HS Code for Potassium fluoride

Potassium fluoride (KF) is classified under HS code 2826.19. This classification is part of Chapter 28, which covers inorganic chemicals. Heading 2826 is designated for fluorides, fluorosilicates, fluoroaluminates, and other complex fluorine salts. Subheading 2826.19 is a residual category for "other" fluorides that are not specifically mentioned in the preceding subheadings (such as ammonium or sodium fluorides). Potassium fluoride is the primary source of the fluoride ion for applications in chemistry and manufacturing. It is an alkali metal halide and is produced by reacting potassium carbonate with hydrofluoric acid. Its classification is based on its identity as a simple fluoride salt of potassium. It is used in the etching of glass, in the manufacture of insecticides, and as a flux for soldering and welding. The classification remains 2826.19 whether it is in anhydrous form or as a dihydrate.

Products Included

• Anhydrous potassium fluoride powder.
• Potassium fluoride dihydrate (KF·2H2O).
• Spray-dried potassium fluoride for specialized chemical reactions.
• Technical grade KF used as a flux in metallurgy.
• Potassium fluoride solutions used in wood preservation.

Common Misclassification

Potassium fluoride is often misclassified under 2826.12, which is specifically for aluminum fluoride, or 2826.90, which covers complex salts like fluorosilicates. It should also not be confused with potassium hydrogen fluoride (potassium bifluoride), which is sometimes classified under 2826.19 but may have specific national codes (like 2826.19.90) depending on the country. Another common error is misclassifying it as a halide of heading 2827 (chlorides, bromides, iodides); however, fluorides have their own dedicated heading in 2826. Finally, if the product is intended for dental use in small retail packaging, it might be argued into Chapter 33, but bulk KF always remains in 2826.19.

FAQ

What is the HS code for potassium fluoride?

The international HS code for potassium fluoride is 2826.19, which covers fluorides other than those of ammonium or sodium.

Is potassium fluoride toxic?

Yes, potassium fluoride is toxic if swallowed or inhaled and can cause severe skin burns and eye damage. It must be handled with extreme care and shipped as a hazardous material under appropriate UN numbers.