Sodium hexafluorophosphate

Structural formula
General
Surname	Sodium hexafluorophosphate
Molecular formula	Na [PF 6 ]
Brief description	white odorless solid
External identifiers / databases
CAS number 21324-39-0 20644-15-9 (monohydrate) EC number 244-333-1 ECHA InfoCard 100.040.288 PubChem 5147921 Wikidata Q2937970
properties
Molar mass	167.95 g mol −1
Physical state	firmly
density	2.37 g cm −3
Melting point	> 200 ° C
solubility	soluble in water
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 314-318-302-312-332 P: 280-303 + 361 + 353-305 + 351 + 338-310
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Sodium hexafluorophosphate is an inorganic chemical compound of sodium from the group of hexafluorophosphates .

Extraction and presentation

Sodium hexafluorophosphate can be obtained by reacting phosphorus (V) chloride with sodium chloride and hydrogen fluoride .

${\displaystyle \mathrm {PCl_{5}+NaCl+6\ HF\longrightarrow Na[PF_{6}]+6\ HCl} }$

properties

Sodium hexafluorophosphate is a hygroscopic white odorless solid that is soluble in water. It has a cubic crystal structure with the space group Fm 3 m (space group no. 225) .

Individual evidence

1. ↑ ^{a b c d e f g h} Data sheet Sodium hexafluorophosphate, 99 +% from AlfaAesar, accessed on December 2, 2013 ( PDF )(JavaScript required) .
2. ↑ Woyski, MM; Shenk, WJ; Pellon, ER (1950). "Hexafluorophosphates of Sodium, Ammonium, and Potassium". Inorg. Synth. Inorganic Syntheses 3: 111-117. doi : 10.1002 / 9780470132340.ch29
3. ^ Jean D'Ans, Ellen Lax: Pocket book for chemists and physicists . Springer DE, 1997, ISBN 3-540-60035-3 , pp. 618 ( limited preview in Google Book search).