Title: Ammonium Hexafluorophosphate
CAS Registry Number: 16941-11-0
Additional Names: Ammonium hexafluophosphate; ammonium phosphorus hexafluoride
Molecular Formula: F6H4NP
Molecular Weight: 163.00
Percent Composition: F 69.93%, H 2.47%, N 8.59%, P 19.00%
Line Formula: NH4PF6
Literature References: Prepn: Lange, Müller, Ber. 63, 1063 (1930); v. Krueger, Ber. 65, 1265 (1932); Woyski, Inorg. Synth. 3, 111 (1950); Kwasnik in Handbook of Preparative Inorganic Chemistry Vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 195.
Properties: Square leaflets or tables, seldom rectangular plates; cubic system. d418 2.180. Decomposes on heating to a relatively high temp without prior melting. Soly in water (20°): 74.8 g/100 ml. Sol in acetone, methanol, ethanol, methyl acetate. Does not etch glass at room temp. Slowly hydrolyzed by boiling with strong acids.
Density: d418 2.180