Salt is one of the most popular and known substances in our kitchens. Edible salt NaCl is a compound of sodium Na and chlorine Cl. Salt contains also about 2-3 % of other substances – chlorides and sulfates. Without salt, or rather without sodium, a human body cannot function. It is necessary for proper transfer of neural signals and muscle functioning.
SODIUM CHLORIDE PROPERTIES
| Formula | NaCl |
|---|---|
| CAS number: 7647 | 14 |
| WE number: 231 | 598 |
| Molecular weight - NaCl | 58.4428 |
| Atomic weight - Na | 22.989768 (39.337%) |
| Atomic weight - Cl | 35.4527 (60.663%) |
| Form |
Solid body |
| Color | White |
| Fragrance | Fragrance-free |
| pH | 5 – 8 (r-r 50 g/l H2O in 20ºC) |
| Melting point | 800ºC |
| Boiling point | 1461ºC |
| Density | 2,16 g/cm3 (20ºC) |
| Bulk density | App. 1140 kg/m3 |
| Water soluble | 360 g/l (20ºC) |