Title: Magnesium Fluoride
CAS Registry Number: 7783-40-6
Trademarks: Sellaite
Molecular Formula: F2Mg
Molecular Weight: 62.30
Percent Composition: F 60.99%, Mg 39.01%
Line Formula: MgF2
Literature References: Prepd from MgCO3 + HF: Klemm
et al., Z. Anorg. Allg. Chem. 176, 13 (1928). Review of toxicology of fluoride compounds: G. L. Waldbott,
Acta Med. Scand. Suppl. 400, 1-44 (1963).
Properties: Colorless substance (rutile-type lattice). Slight violet fluorescence. d 3.148. Mohs' hardness: 6. mp 1248°. bp 2260°. Very sparingly sol in water 87 mg/l (18°). Slightly sol in dil acids, especially nitric acid. May be stored in glass bottles. LD in guinea pigs (mg/kg): 1000 orally, 3000 s.c. (Waldbott).
Melting point: mp 1248°
Boiling point: bp 2260°
Density: d 3.148
Toxicity data: LD in guinea pigs (mg/kg): 1000 orally, 3000 s.c. (Waldbott)
Use: In the ceramics and glass industry.
