Sodium Chloride


Sodium Chloride, common rock salt, is one of the most useful materials for general purpose spectroscopic windows and applications where sensitivity to moisture is unimportant.


Absorption Coefficient (cm-1): 1.64x10-4 at 2.7µ
Apparent Elastic Limit (MPa): 2.4
Bulk Modulus (K) (GPa): 24.42
Cleavage Planes: (100)
Density ( 2.16
Dielectric Constant: 5.9 at 1MHz
Elastic Coefficient C11: 48.5
Elastic Coefficient C12: 12.3
Elastic Coefficient C44: 12.61
Hardness (knoop): 18.2
Melting Point (K): 1074
Poisson Ratio: 0.252
Reflection Loss (%): 7.5 at 10.6µ
Refractive Index: 1.50 at 10µ
Restrahlen Peak (µ): 50.1
Shear Modulus (G) (GPa): 12.61
Solubility (g/100g H2O): 35.7 at 273K
Specific Heat Capacity (J·kg·m-1·K-1): 854
Stability: Hygroscopic
Structure: FCC
Thermal Conductivity (W·m-1·K-1): 1.15 at 273K
Youngs Modulus (E) (GPa): 39.98
Thermal Expansion (K-1 at 300K): 40x10-6
Transmission Range (µ): 0.2-20