Sodium Chloride
Optical Material Information*
| Chemical Formula | NaCl |
| Refractive Index (at 1.01 microns) | 1.53 |
| Knoop Hardness (psi) | 15 |
| Modulus of rupture (psi) | 350 |
| Useful Wavelength Range, Transmission (microns) | 0.35-15 |
| Useful Wavelength Range, ATR (microns) | 0.4-12 |
| Maximum Useful Temperature (ºC) | 400 |
| Melting Point (ºC) | 801 |
| General properties | Withstands thermal and some mechanical shock; colorless. |
| Chemical Properties | Hygroscopic; soluble in water, alcohols, glycerine, and solvents containing water. |
| Clean with… | Anhydrous solvents. |
*This was compiled from various sources. For more details, consult the Chemical Abstracts Service at www.cas.org.
Transmission Spectrum
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