View source for Chemistry:Lithium hexafluorogermanate

{{Chembox
| Name = Lithium hexafluorogermanate
| IUPACName = Lithium hexafluorogermanate
| OtherNames = Lithium germanium fluoride
|Section1=
{{Chembox Identifiers
| SMILES1 = [Li+].[Li+].F[Ge-2](F)(F)(F)(F)F
| InChI = 1S/F6Ge.2Li/c1-7(2,3,4,5)6;;/q-2;2*+1
| InChIKey1 = CRAVKAIWEHPLQK-UHFFFAOYSA-N
| CASNo = 16903-41-6
| PubChem = 16700594
| SMILES = [Li+].[Li+].F[Ge-2](F)(F)(F)(F)F
}}
|Section2=
{{Chembox Properties
| Formula = Li<sub>2</sub>GeF<sub>6</sub>
| MolarMass = 200.51 g/mol
| Appearance = white solid
| MeltingPtC = 510
| Solubility = 53.9 g / 100 g water (25°C)
}}
|Section3={{Chembox Hazards
| ExternalSDS = [http://loradchemical.com/data/sds/SDS-Lithium-Hexafluorogermanate.pdf External MSDS]
| MainHazards = 
| NFPA-H = 2
| NFPA-F = 0
| NFPA-R = 0
| NFPA-S = 
| FlashPt = 
| AutoignitionPt = 
| LD50 = 
  }}
|Section4={{Chembox Related
| OtherCompounds = [[Chemistry:Gadolinium oxysulfide|Gadolinium oxysulfide]]
  }}
}}
'''Lithium hexafluorogermanate''' is the [[Chemistry:Inorganic compound|inorganic compound]] with the [[Chemistry:Chemical formula|formula]] Li<sub>2</sub>GeF<sub>6</sub>.  It forms a solid off-white deliquescent powder. When exposed to moisture, it easily hydrolyses to release [[Chemistry:Hydrogen fluoride|hydrogen fluoride]] and [[Chemistry:Germanium tetrafluoride|germanium tetrafluoride]] gases.<ref>{{cite web | title=Lithium Hexafluorogermanate Safety Data Sheet | publisher=Lorad Chemical Corporation | url=http://loradchemical.com/data/sds/SDS-Lithium-Hexafluorogermanate.pdf | accessdate = 2017-09-20}}</ref>

==Reactions and applications==
Lithium hexafluorogermanate can be dissolved in a solution of hydrogen fluoride, which forms a precipitate of [[Chemistry:Lithium fluoride|lithium fluoride]].<ref>Tychinskaya, I.I., Opalovskii, A.A. & Nikolaev, N.S. Russ Chem Bull (1965) 14: 725. https://doi.org/10.1007/BF00846742</ref>

It can be used as a densification aid in the sintering of [[Chemistry:Gadolinium oxysulfide|gadolinium oxysulfide]],<ref>L. S. Bolyasnikova, V. A. Demidenko, S. B. Eron'ko, O. P. Ovsyannikova, and S. B. Mikhrin, "Gd2O2S:Pr:Ce Optical Scintillation Ceramics and their Properties," J. Opt. Technol. 73, 138-142 (2006).</ref><ref>{{cite web | title=Lithium Hexafluorogermanate | publisher=Lorad Chemical Corporation | url=http://loradchemical.com/products/lithium-hexafluorogermanate | accessdate = 2017-09-19}}</ref> and as a lithium salt additive in a lithium-ion battery electrolyte.<ref>{{cite patent | country = CN | number = 103326066 | status = application | title = Lithium-ion battery electrolyte | pubdate = 2013-09-25 | fdate = 2013-06-13 | pridate = 2013-06-13 | invent1 = Gong Weihua | assign1 = Suzhou Nuoxin Innovation Energy Co. Ltd.}}</ref>

==References==
<references/>

{{Lithium compounds}}
{{fluorine compounds}}

[[Category:Fluorometallates]]

{{Sourceattribution|Lithium hexafluorogermanate}}