Sodium Chloride (NaCl)

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Crystallographic

Syngony Cubic
Symmetry Class m3m
Lattice Constants a = 5.640 Å
c = a
Cleavability (100), perfect
 

Optical

Refractive Index at ne 1.5467
Refractive Index at nF' - nC' 0.0132
Refractive Index at n10.6 1.4906
Refractive Index at n8.0 - n12.5 0.0308
Thermal Coefficient of Refractive Index at 3.39 microns for ±60 °C (-3.31) ... (-3.73) x 10-5
Transmission Range, microns 0.2 - 20
 

Thermal

Thermal Linear Expansion, °C-1
for ±60 °C
(36.4 ... 40.8) x 10-6
Thermal Conductivity, W/(m * °C)
at 35 °C
6.15
Specific Heat Capacity, J/(kg * °C) 0.871 x 103
Melting Point, °C 801
 

Mechanical

Density, g/cm3 at 20 °C 2.17
Mohs Hardness 3
Vickers Microhardness, Pa 20 x 107
Constants of Elastic Compliance, Pa-1 S11 = 22.85 x 10-12
S12 = -4.69 x 10-12
S44 = 78.34 x 10-12
Young Modulus (E), Pa  
in <100> direction 4.37 x 1010
in <111> direction 3.27 x 1010
Shear Modulus (G), Pa  
in <100> direction 1.59 x 1010
in <111> direction 1.28 x 1010
Poisson Ratio 0.203
 

Chemical

Molecular Weight 58.45
Solubility  
in water, gram/100 cm3 35.7
in acids soluble
 

Ref. Index vs. Wavelength l

Wavelength, Microns Refractive Index
0.2 1.7899
0.5 1.5516
1.0 1.5320
2.0 1.5254
3.0 1.5242
4.0 1.5217
5.0 1.5185
6.0 1.5153
7.0 1.5112
8.0 1.5066
9.0 1.5009
10.0 1.4947
11.0 1.4878
12.0 1.4800
12.5 1.4758
15.0 1.4403
20.0 1.3822
30.0 1.0912
 

Internal Transmittance t i (l) vs. Wavelength l

Wavelength, Microns Internal Transmittance
0.2 0.16
0.5 0.97
1.0 0.97
3.0 0.98
5.0 0.98
6.0 0.98
7.0 0.98
8.0 0.98
9.0 0.98
10.0 0.98
12.0 0.98
15.0 0.87
20.0 0.05

Custom sizes and specifications are available on request.


Overview of elements with access to our shop

1 18
H
2 13 14 15 16 17
He
Li Be B C
N
O
F
Ne
Na Mg 3 4 5 6 7 8 9 10 11 12 Al Si P S
Cl
Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se
Br
Kr
Rb Sr Y Zr Nb Mo
Tc
Ru Rh Pd Ag Cd In Sn Sb Te I
Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi
Po
At
Ra
Fr
Ra
Ac
Ce Pr Nd
Pm
Sm Eu Gd Tb Dy Ho Er Tm Yb Lu


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