Sodium Chloride
NaCl
Chemical name
Sodium Chloride
Mineral name
Halite
Chemical formula
NaCl
Melting point [°C]
801
Crystal system
cubic
Space Group
Fm-3m
Unit cell
a [Å]:5,6404
b [Å]:5,6404
c [Å]:5,6404
Molecular weight [g/mol]
58.443
Mohs hardness
15.2 <110>, 18.2 <100>; indenter load 200 g
Density [g/cm3]
2.17
Cleavage
on (100)
Refractive Index
1.4998 at 9.5 μm