200913

Potassium hexafluorophosphate

≥99%

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

Properties

• Quality Level: 200
• assay: ≥99%
• form: solid
• 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

Description

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.

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H314
• pcodes: P260 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges