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
• 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
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P260 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves