KClKCl74.5500 g·mol⁻¹
Molar mass74.550 g·mol⁻¹calc 74.548 • Atomic weights: CIAAW 2021 (conventional atomic weights)
FormulaKClKCl
Classsalt • ionicsolid
| Element | Count | Mass (g/mol) | Mass % |
|---|---|---|---|
| K | 1 | 39.098 | 52.45% |
| Cl | 1 | 35.450 | 47.55% |
Physical properties
- State at STP
- solid
- Density
- 1.98 g·cm⁻³ (solid at 20 °C, 1 atm)
- Melting point
- 1044 K (1 atm)
- Boiling point
- 1695 K (1 atm)
Structure & bonding
Ionic K+ Cl- in rock-salt lattice; fully dissociates in water.
Occurrence & preparation
Mineral sylvite; mined as potash ore.
Uses
- Fertilizer
- Salt substitute
Safety
Low hazard at dietary levels; large dose affects heart.
Consult current SDS. — consult current SDS before handling.