Sodium Chloride
NaCl
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 (g.cm-3): 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