Korth Kristalle GmbH

Refractive Index


Thallium Bromide (TlBr)

Properties (TlBr)   
Transmission Range (50% of total transmission)   0,44 - 38 µm  
Refractive Index   2,40875 @633 nm  
Reflective Loss   16,5% @10 µm  
Reststrahlen   172.8 µm  
Density   7.453 g/cm3  
Melting Point   460°C  
Molecular Weight   284,28  
Thermal Conductivity   0,586 W/(m·K) @319K 
Heat Capacity   188 J/(kg·K) @20°C  
Thermal Expansion   51,0 · 10-6 /K (293...333K)  
Hardness (Mohs)   11.9 (Indenter load 500g)  
Young`s Modulus   29.50 GPa 
Shear Modulus   7.58 GPa 
Bulk Modulus   22.47 GPa 
Rupture Modulus    
Elastic Coefficient   C11 = 37; C12 = 14,9; C44 = 7,5 GPa 
Dielectric Constant   30.3 @25°C; f = 1kHz...10MHz  
Solubility in Water   0,059g/100 g @20°C  
Crystal Structurenbsp] Single crystal, synthetic  
Crystal Type  Cubic, CsCl type structure a = 3,9846 Å nbsp]
Cleavage Planes   No cleavage 
Poisson Ratio   0.32 
Application   IR optics 
Remarks   Attention: Thallium salts are toxic. TlBr has a deformability like lead  


MSDS TlX 12 EN MSDS_TlX_12_EN.pdf (113.3 KiB)

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