Magnesium fluoride
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Description
White crystals that fluoresce purple in ultraviolet light. Magnesium fluoride powder is used in the manufacture of ceramics and glass. Large single crystals are used for polarizing prisms, lenses, and optical windows.
Synonyms and Related Terms
magnesium flux
Risks
- Noncombustible.
- Irritation to skin and membranes.
- Fisher Scientific: MSDS
Physical and Chemical Properties
Soluble in nitric acid. Slightly soluble in dilute acids. Insoluble in water and alcohols.
| Composition | MgF2 |
|---|---|
| CAS | 7783-40-6 |
| Mohs Hardness | 6.0 |
| Melting Point | 1248-1263 C |
| Density | 3.148 g.ml |
| Molecular Weight | mol. wt. = 62.3 |
| Boiling Point | 2239 C |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5701