Sodium Chloride NaCl

Sodium Chloride (NaCl) SDS
Sodium Chloride (NaCl) Data Sheet

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.

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Transmission Range
0.2 to 15 μm
Refractive Index
1.49065 at 10.6 μm
Reflection Loss
7.5% at 10.6 μm (2 surfaces)
Absorption Coefficient
7 x 10-6 cm-1 @ 10.6 μm
Reststrahlen Peak
50.1 μm
dn/dT
-40.83 x 10-6 /°C
dn/dμ = 0
n/a
Density
2.17 g/cc
Melting Point
801°C
Thermal Conductivity
6.5 W m-1 K-1 @ 273 K
Thermal Expansion
44 x 10-6 K-1
Hardness
Knoop 18.2 in <100> with 200g indenter
Specific Heat Capacity
854 J Kg-1 K-1
Dielectric Constant
5.9 at 1 MHz
Youngs Modulus (E)
39.98 GPa
Shear Modulus (G)
12.61 GPa
Bulk Modulus (K)
24.42 GPa
Elastic Coefficients
C11 = 48.5 C12 = 12.3 C44 = 12.61
Apparent Elastic Limit
3.9 MPa (560psi)
Poisson Ratio
0.252
Solubility
35.7g/100g water at 273°C
Molecular Weight
58.45
Class/Structure
Cubic FCC, NaCl, Fm3m, (#221), (100) cleavage
 

 

µm No
0.589 1.54427
0.64 1.54141
0.76 1.53682
0.884 1.53395
0.972 1.53253
1.054 1.53153
1.555 1.53815
µm No
2.074 1.52736
9.00 1.501
9.50 1.4998
10.6 1.49065
11.4 1.48476
12.5 1.47568
13.5 1.4666
µm No
14.6 1.45572
16.0 1.4399
17.8 1.41649
19.8 1.38559
20.57 1.3735
22.3 1.3403
   

Sodium Chloride is produced in large ingots by the Kyropoulos growth method. Sodium Chloride cleaves easily. With care Sodium Chloride can be polished to a high standard under humidity controlled conditions

REFERENCES:
(1) H.H.Li, Absorption Coefficients, Int.J.Therm, V1, No. I, 1980
(2) Combes, et.al.; J.Opt. Soc. Am. V41, p215, 1951

 

NaCl Crystal

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