100% “Potassium Chloride” (CAS No. 7447-40-7), chemical formula KCl, also known as “Muriate of Potash” or “Potassium Salt.” This product will be imported in colorless transparent crystal form, granular crystalline form, or powder form in 25 kg multiwall paper bags and sold to U.S. buyers in the food and pharmaceutical industries.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N320338