Thallium Bromoiodide (KRS-5)
Optical Material Information*
| Chemical Formula | TIBr-TlI |
| Refractive Index (at 1.00 microns) | 2.45 |
| Knoop Hardness (psi) | 40 |
| Modulus of Rupture (psi) | 3800 |
| Useful Wavelength Range, Transmission (microns) | 0.6-60 |
| Useful Wavelength Range, ATR (microns) | 0.7-30 |
| Maximum Useful Temperature (ºC) | 200 |
| Melting Point (ºC) | 414.5 |
| General properties | Deforms under pressure; temperature sensitive; toxic; does not easily fracture; waxy quality; tendency to cold flow; reddish-orange. |
| Chemical Properties | Incompatible with complexing agents; soluble in bases; incompatible with solutions of ammonium salts; slightly soluble in water. |
| Clean with... | MEK. |
*This was compiled from various sources. For more details, consult the Chemical Abstracts Service at www.cas.org.
Transmission Spectrum
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