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 fluoride; magnesium flux

Other 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
Density 3.148
Molecular Weight mol. wt. = 62.3
Boiling Point 2239

Hazards and Safety

Noncombustible. Irritation to skin and membranes.

Fisher Scientific: MSDS

Sources Checked for Data in Record

  • 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