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200913

Potassium hexafluorophosphate

≥99%

Synonym(s):

Monopotassium hexafluorophosphate

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About This Item

Linear Formula:
KPF6
CAS Number:
17084-13-8
Molecular Weight:
184.06
NACRES:
NA.23
PubChem Substance ID:
24851982
UNSPSC Code:
12352302
EC Number:
241-143-0
MDL number:
MFCD00011412
Assay:
≥99%
Form:
solid
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Quality Segment

200

assay

≥99%

form

solid

reaction suitability

core: potassium

technique(s)

ion chromatography: suitable

mp

575 °C (lit.)

density

2.75 g/mL at 25 °C (lit.)

SMILES string

[K+].F[P-](F)(F)(F)(F)F

InChI

1S/F6P.K/c1-7(2,3,4,5)6;/q-1;+1

InChI key

YZDGRYDIGCWVND-UHFFFAOYSA-N

Application

Potassium hexafluorophosphate can be used as an electrolyte additive to improve the:
  • Electrochemical performance of an anode-free lithium metal battery.
  • Cycling stability and Li Coulombic efficiency of lithium-sulfur(Li–S) batteries.
It can also be used as interface modification material to passivate interface defects in perovskite solar cells.

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pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

11 - Combustible Solids

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