Grundinformationen
- CAS
17084-13-8- Standard-SMILES
F[P-](F)(F)(F)(F)F.[K+]- InChIKey
YZDGRYDIGCWVND-UHFFFAOYSA-N- Summenformel
- F6KP
- Durchschnittliche Molmasse
- 184,0625 g/mol
- Monoisotopische Masse
- 183,92788745
Namen und Bezeichner
- Bevorzugter Name
- Potassium hexafluorophosphate
- IUPAC
- potassium hexafluorophosphate
- Lokaler Name
- Kaliumhexafluorophosphat
- Englischer Name
- Potassium hexafluorophosphate
- Summenformel
- F6P.K
- Molmasse
- 184.06
Namen und Synonyme
Potassium hexafluorophosphate17084-13-8Monopotassium hexafluorophosphatePotassium phosphorus fluoridePhosphate(1-), hexafluoro-, potassiumPotassium hexafluorophosphate(1-)88W436PDI9EINECS 241-143-0NSC 404039AI3-16098DTXSID50884958Phosphate(1-), hexafluoro-, potassium (1:1)
Weitere Namen anzeigen
KPF6Potassium fluorophosphatePOTASSIUM HEXAFLUOROPHOSPHATE, 99.999%Potassium hexafLKaliumhexafluorophosphatPOTASSIUM HEXAFLUOROPHOSHATEPOTASSIUM HEXFLUOROPHOSPHATEPhosphate,hexafluoro-,potassium
NSC-404039RefChem:867838Potassium hexafluorophosphate(1)DTXCID801024374Phosphate(1), hexafluoro, potassium241-143-0Potassium fluophosphatepotassium;hexafluorophosphate
Datenbank-Bezeichner
- CAS
17084-13-8- PubChem CID
- 23688904
- DTXSID
DTXSID50884958- UNII
- 88W436PDI9
- EC Number
- 241-143-0
- Nikkaji
- J3.807.079G
Eigenschaften
Berechnete Struktureigenschaften
- Polarare Oberfläche (TPSA)
- 0 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 7
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 8
- Formalladung
- 0
- Komplexität
- 67
Experimentelle und physikochemische Eigenschaften
Physical DescriptionWhite odorless powder; Hygroscopic; [Alfa Aesar MSDS]
Physikochemische Eigenschaften
- Schmelzpunkt
- 575 °C · 575 °C (lit.)
- Siedepunkt
- 93 · decomposes [STR93]
- Dichte
- 2.75 g/mL · 2.75 g/mL at 25 °C (lit.)
- storage temp.
- Refrigerator
- Löslichkeit
- Methanol (Slightly), Water (Soluble)
- Aggregatzustand
- Powder
- Wichte
- 2.55 · 2.55
- Farbe
- White
- Wasserlöslichkeit
- 93 g/L · 93 g/L (25 ºC)
- Stabilität
- Stable. Incompatible with strong acids. Thermal decomposition may generate HF, phosphorus oxides and phosphine.
- InChI
- InChI=1S/F6P.K/c1-7(2,3,4,5)6;/q-1;+1
- InChIKey
- YZDGRYDIGCWVND-UHFFFAOYSA-N
- SMILES
- [P+5]([F-])([F-])([F-])([F-])([F-])[F-].[K+]
- CAS Datenbank
- 17084 · 17084-13-8(CAS DataBase Reference)
- EPA chemische Informationen
- Phosphate(1-), hexafluoro-, potassium (17084-13-8)
Sicherheit und Regulatorisches
GHS-Klassifizierung
GHS Classification
This chemical does not meet GHS hazard criteria for 22.6% (60 of 265) of reports.
Danger
H302 (46.8%): Harmful if swallowed [Warning Acute toxicity, oral]；H314 (26.8%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]；H319 (50.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P260, P264, P264+P265, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P321, P330, P337+P317, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 265 reports by companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.；Reported as not meeting GHS hazard criteria per 60 of 265 reports by companies.；There are 12 notifications provided by 205 of 265 reports by companies with hazard statement code(s).；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Gefahrenhinweise
Regulatory Information
Status: Active Update: 29-01-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/23348；Status: Active Update: 03-12-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/19590
Potassium hexafluorophosphate: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazards SummaryCauses burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion, inhalation, and skin absorption; [Alfa Aesar MSDS]
Hazard Classes and CategoriesAcute Tox. 4 (46.8%)；Skin Corr. 1B (26.8%)；Eye Irrit. 2 (50.2%)
Sicherheit und Schutzausrüstung
Exposure Control and Personal Protection
Biological Exposure Indices (BEI) [ACGIH] - Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.)
1.0 [mg/m3] as F, inhalable fraction[German Research Foundation (DFG)]
Threshold Limit Values (TLV)2.5 [mg/m3], as F
Permissible Exposure Limit (PEL)2.5 [mg/m3], as F
Immediately Dangerous to Life or Health (IDLH)250.0 [mg/m3], as F
Toxikologische Informationen
Adverse EffectsDermatotoxin - Skin burns.；Toxic Pneumonitis - Inflammation of the lungs induced by inhalation of metal fumes or toxic gases and vapors.
Regulatorische Informationen
Regulatory Information
Status: Active Update: 29-01-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/23348；Status: Active Update: 03-12-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/19590
Potassium hexafluorophosphate: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Sicherheitsdaten
- wgk
- 1
- tsca
- TSCA listed
- ridadr
- UN 3260 8/PG 2
- hs_code
- 28269090
- risk_code
- 34-20/21/22
- hazard_code
- C,Xi
- hazard_note
- Irritant
- safety_code
- 26-27-36/37/39-45
- hazard_class
- 8
- packing_group
- III
- Speicherklasse
- 8A - Combustible corrosive hazardous materials
- Hazard Classifications
- Eye Dam. 1Skin Corr. 1B
Chemie und Industrie
Verwendung und Herstellung
General Manufacturing InformationPhosphate(1-), hexafluoro-, potassium (1:1): ACTIVE
Anwendungen
BeschreibungPotassium hexafluorophosphate, abbreviated as KPF6, is a associated electrolyte. In battery systems, it acts as an electrolyte additive in anode-less lithium metal batteries, lithium-sulphur batteries and solid-state batteries; by forming a protective shielding effect and modulating the solid-state electrolyte interface, it enhances cycling stability, ionic conductivity and electrochemical performance [1-3]. In perovskite solar cells, KPF6 is used as an interface modification material; by treating the SnO2 quantum dot/perovskite interface, it can passivate defects and enhance stable photoconversion efficiency [4].
VerwendenA soluble neutral salt, Potassium hexafluorophosphate can be used for synthesis.
Darstellung
synthetischePotassium hexafluorophosphate is prepared by reacting phosphorus pentachloride, potassium chloride, and hydrofluoric acid in liquid hydrogen fluoride. The reaction equation is: PCl₅ + KCl + 6HF → KPF₆ + 6HCl.
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