Thallium Chloride (TlCl)
♦ Thallium Chloride (TlCl) Data Sheet ♦ Thallium Chloride (TlCl) MSDS
Thallium Chloride has very little practical application.
| Transmission Range : | 0.5 to 30 μm |
| Refractive Index : | 2.193 at 10 μm (1) |
| Reflection Loss : | 24.5% at 10 μm (2 surfaces) |
| Absorption Coefficient : | n/a |
| Reststrahlen Peak : | 131 μm |
| dn/dT : | n/a |
| dn/dμ = 0 : | 3.5 μm |
| Density : | 7.018 g/cc (1) |
| Melting Point : | 430.2 °C (1) |
| Thermal Conductivity : | 0.75 W m-1 K-1 at 311K |
| Thermal Expansion : | 53 x 10-6 /K at 300K |
| Hardness : | Knoop 12.8 with 500g indenter |
| Specific Heat Capacity : | 218 J Kg-1 K-1 |
| Dielectric Constant : | 31.9 at 1 MHz |
| Youngs Modulus (E) : | 31.71 GPa (2) |
| Shear Modulus (G) : | 7.58 GPa (2) |
| Bulk Modulus (K) : | 23.57 GPa (2) |
| Elastic Coefficients : | C11=40.1; C12=15.3; C44=7.6 (2) |
| Apparent Elastic Limit : | 20.7 MPa (3000 psi) |
| Poisson Ratio : | 0.276 |
| Solubility : | 0.32g/100g water at 20°C |
| Molecular Weight : | 239.85 |
| Class/Structure : | Cubic CsCl, Pm3m, no cleavage planes (1) |
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 |
| 0.436 | 2.4 | 0.546 | 2.27 | 0.578 | 2.253 |
| 0.589 | 2.247 | 0.650 | 2.223 | 0.750 | 2.198 |
| 10.00 | 2.193 |
Thallium Chloride crystals are grown by sealed-ampoule Stockbarger technique. Thallium salts are toxic, and Thallium Chloride has enough solubility to require extreme caution. Careful handling with plastic gloves covered with soft cotton gloves as appropriate to delicate optics is required
REFERENCES:
(1) Handbook of Optical Constants, ed Palik, V3, ISBN 0-12-544423-0
(2) Arenberg, Measurements made at Naval Research Labs, USA 1948-49
REFERENCES:
(1) Handbook of Optical Constants, ed Palik, V3, ISBN 0-12-544423-0
(2) Arenberg, Measurements made at Naval Research Labs, USA 1948-49
