Thallium Bromide Chloride - KRS-6

Thallium bromide chloride, also known as KRS-6, is a crystal material that is widely used as an infrared (IR) transmitting material. It is a ternary compound made up of thallium, bromine, and chlorine, with a chemical formula of TlBrxCl(1-x), where x can vary between 0 and 1.

KRS-6 is highly transmissive in the mid-infrared (2-15 microns) and far-infrared (15-40 microns) regions, making it an ideal material for use in IR spectroscopy and imaging. It is also resistant to thermal shock and has a low coefficient of thermal expansion, which makes it suitable for use in cryogenic applications.

One of the main advantages of KRS-6 over other IR transmitting materials is its high resistance to moisture and humidity. This makes it an excellent material for use in harsh environmental conditions, including marine and aerospace applications.

KRS-6 is often used as an IR window or lens in various scientific and industrial applications, including FTIR spectroscopy, IR imaging, and gas sensing. It is also used in the production of IR optical components, such as prisms, lenses, and windows.

However, like other thallium compounds, KRS-6 is toxic and requires careful handling and disposal. It is not recommended for use in medical applications or where there is a risk of human exposure.

In summary, thallium bromide chloride (KRS-6) is a high-quality material for use in IR spectroscopy and imaging applications due to its excellent IR transmittance, thermal stability, low coefficient of thermal expansion, and high resistance to moisture and humidity. However, its toxicity requires careful handling and disposal.