Silver Chloride (AgCl)
♦ Silver Chloride (AgCl) Data Sheet ♦ Silver Chloride (AgCl) MSDS
Silver Chloride is a useful material for deep IR applications where sensitivity to moisture is a problem. This soft crystal deforms under heat and pressure and can be forged in polished dies to create IR windows and lenses. A major use for Silver Chloride is in the manufacture of small disposable cell windows for spectroscopy, known as mini-cells. These windows have a depression of controlled thickness pressed into the surface. The inherent cost of Silver Chloride material is offset against ease of manufacture.
| Transmission Range : | 0.4 to 25 μm (1) |
| Refractive Index : | 1.98 at 10 μm (1) |
| Reflection Loss : | 19.5% at 10 μm (2 surfaces) |
| Absorption Coefficient : | n/a |
| Reststrahlen Peak : | 81.5 μm |
| dn/dT : | -61 x 10-6 /°C |
| dn/dμ = 0 : | 4.5 μm |
| Density : | 5.59 g/cc |
| Melting Point : | 457 °C |
| Thermal Conductivity : | 1.15 W m-1 K-1 at 278 K |
| Thermal Expansion : | 31 x 10-6 /°C at 302 K |
| Hardness : | Knoop 9.5 with 200g indenter |
| Specific Heat Capacity : | 355 J Kg-1 K-1 |
| Dielectric Constant : | 12.3 at 1MHz |
| Youngs Modulus (E) : | 19.98 GPa |
| Shear Modulus (G) : | 7.099 GPa |
| Bulk Modulus (K) : | 44.04 GPa |
| Elastic Coefficients : | C11=60.1 C12=36.2 C44=6.25 |
| Apparent Elastic Limit : | 26.2MPa (3800 psi) |
| Poisson Ratio : | 0.4 |
| Solubility : | 52 x 10-6 g/100g water at 50°C |
| Molecular Weight : | 143.34 |
| Class/Structure : | Cubic FCC, NaCl, Fm3m, No cleavage, cold flows |
To download this data or our MSDS safety data sheet as a pdf, please click on the links at the top of the page. To expand the transmission graphs, please click on the image.
| µm | No | µm | No | µm | No |
| 0.500 | 2.09658 | 1.000 | 2.02239 | 1.500 | 2.01047 |
| 2.000 | 2.00615 | 2.500 | 2.00386 | 3.000 | 2.0023 |
| 3.500 | 2.00102 | 4.000 | 1.99983 | 4.500 | 1.99866 |
| 5.000 | 1.99745 | 5.500 | 1.99618 | 6.000 | 1.99483 |
| 6.500 | 1.99339 | 7.000 | 1.99185 | 7.500 | 1.99021 |
| 8.000 | 1.98847 | 8.500 | 1.98661 | 9.000 | 1.98464 |
| 9.500 | 1.98255 | 10.00 | 1.98034 | 10.50 | 1.97801 |
| 11.00 | 1.97556 | 11.50 | 1.97297 | 12.00 | 1.97026 |
| 12.50 | 1.96742 | 13.00 | 1.96444 | 13.50 | 1.96133 |
| 14.00 | 1.95807 | 14.50 | 1.95467 | 15.00 | 1.95113 |
| 15.50 | 1.94743 | 16.00 | 1.94358 | 16.50 | 1.93958 |
| 17.00 | 1.93542 | 17.50 | 1.93109 | 18.00 | 1.9266 |
| 18.50 | 1.92194 | 19.00 | 1.91710 | 19.50 | 1.91208 |
| 20.00 | 1.90688 | 20.50 | 1.90149 |
Silver Chloride is grown into small ingots by the sealed-ampoule Stockbarger techniques. Silver chloride is malleable and milky-white it darkens in sunlight, but mild darkening does not affect the IR performance.
