Title: Mercuric Fluoride
CAS Registry Number: 7783-39-3
Additional Names: Mercury difluoride
Molecular Formula: F2Hg
Molecular Weight: 238.59
Percent Composition: F 15.93%, Hg 84.07%
Line Formula: HgF2
Literature References: Prepd from HgCl2 and F2: Henne, Midgley, J. Am. Chem. Soc. 58, 886 (1936).
Properties: White powder or cubic crystals. Very sensitive to moisture. d15 8.95. mp 645°. bp >650°. Turns yellow and hydrolyzes in the prolonged presence of water.
Melting point: mp 645°
Boiling point: bp >650°
Density: d15 8.95
Derivative Type: Dihydrate
Properties: Obtained when mercuric oxide is dissolved in excess of 50% HF.
Use: In the fluorination of organic compds.