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Products › Materials › Sodium Chloride (NaCl)
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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. |
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Product Data |
| 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 at 1.06 μm (1) |
| 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 : |
1.15 W m-1 K-1 at 273K |
| Thermal Expansion : |
44 x10-6 /°C |
| Hardness : |
Knoop 18.2 in <100> with 200g indenter |
| Specific Heat Capacity : |
854 J Kg-1 K-1 |
| Dielectric Constant : |
5.9 at 1MHz |
| Youngs Modulus (E) : |
39.98 GPa (2) |
| Shear Modulus (G) : |
12.61 GPa (2) |
| Bulk Modulus (K) : |
24.42 GPa (2) |
| Elastic Coefficients : |
C11=48.5; C12=12.3; C44=12.61 |
| Apparent Elastic Limit : |
3.9 MPa (560 psi) (2) |
| Poisson Ratio : |
0.252 |
| Solubility : |
35.7g/100g water at 273K |
| Molecular Weight : |
58.45 |
| Class/Structure : |
Cubic FCC, NaCl, Fm3m, (100) cleavage |
To download this data as a pdf file, or our MSDS safety data sheet, please click on the links at the top of the page. To expand the transmission graphs, please click on the image.
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Refractive Index |
| µm |
No |
µm |
No |
µm |
No |
| 0.589 |
1.54427 |
0.640 |
1.54141 |
0.760 |
1.53682 |
| 0.884 |
1.53395 |
0.972 |
1.53253 |
1.054 |
1.53153 |
| 1.555 |
1.53815 |
2.074 |
1.52736 |
9.000 |
1.501 |
| 9.500 |
1.4998 |
10.60 |
1.49065 |
11.40 |
1.48476 |
| 12.50 |
1.47568 |
13.50 |
1.4666 |
14.60 |
1.45572 |
| 16.00 |
1.4399 |
17.80 |
1.41649 |
19.80 |
1.38559 |
| 20.57 |
1.3735 |
22.30 |
1.3403 |
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Product Notes |
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
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Data provided is extracted from our technical handbook of materials. While every attempt has been made to verify the source of the information, Crystran Ltd accept no responsibility for accuracy of data |
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