NaClNaCl58.4400 g·mol⁻¹
Molar mass58.440 g·mol⁻¹calc 58.440 • Atomic weights: CIAAW 2021 (conventional atomic weights)
FormulaNaClNaCl
Classionic • ionicsolid
| Element | Count | Mass (g/mol) | Mass % |
|---|---|---|---|
| Na | 1 | 22.990 | 39.34% |
| Cl | 1 | 35.450 | 60.66% |
Physical properties
- State at STP
- solid
- Density
- 2.16 g·cm⁻³ (solid at 20 °C, 1 atm)
- Melting point
- 1074 K (1 atm)
- Boiling point
- 1686 K (1 atm)
Structure & bonding
Ionic lattice of Na+ and Cl- in 1:1 ratio. High melting point.
Occurrence & preparation
Evaporite mineral halite; abundant in seawater.
Uses
- Food seasoning
- De-icing
Safety
Low toxicity at culinary amounts.
Consult current SDS. — consult current SDS before handling.