Optical constants of MgF2 (Magnesium fluoride) Dodge 1984: n(o) 0.2-7.0 µm. Magnesium Fluoride Optical Windows are transparent over a very wide 120 nm to 8 µm spectral range. Magnesium Fluoride-containing coatings were prepared on biodegradable Mg-based metals through hydrofluoric acid-involving chemical conversion. The compound is a white crystalline salt and is transparent. Magnesium Fluoride transmits well into the VUV region to the hydrogen. MgF2 is used mostly for UV optics and mMgF2 is excellent for excimer laser.
Magnesium Fluoride Basic Information
Product Name: Magnesium fluoride CAS: 7783-40-6 MF: F2Mg MW: 62.3 EINECS: 231-995-1 
Magnesium Fluoride Chemical Properties
Melting point
| 1248 °C
|
Boiling point
| 2260 °C
|
Density
| 3.15 g/mL at 25 °C(lit.)
|
Refractive index
| 1.365
|
Form
| random crystals
|
Color
| White to off-white
|
Specific Gravity
| 3.15
|
Water Solubility
| 87 mg/L (18 ºC)
|
Applications of Magnesium Fluoride :
Used as a flux when smelting metallic magnesium, an additive for electrolytic aluminum, optical lens coating, a coating agent for titanium pigments, fluorescent materials for cathode ray screens, etc.
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