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**Chemical name:** Potassium chloride **Chemical formula:** KCl **Molar mass:** 74.55 g/mol **Mohs scale hardness:** 2 **Crystal system:** Cubic **Unit cell:** Face-centered cubic structure, with K⁺ and and Cl⁻ ions occupying alternate positions. **Crystal habit:** Typically forms cubic crystals but can occasionally occur in an octahedral habit. **Description:** Potassium chloride is a pure white crystalline solid with a salty and slightly bitter taste. It is non-flammable, non-toxic, and highly soluble in water. **Applications:** Potassium chloride, also known as sylvite, is an important source of potassium ions and is widely used as a fertilizer in agriculture. It can also be used to produce elemental potassium through molten salt electrolysis.
