Sodium Chloride (NaCl)
♦ Sodium Chloride (NaCl) Data Sheet ♦ Sodium Chloride (NaCl) MSDS
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.
| 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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| 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 |
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
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
