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Merck

201146

Lithium hexafluorophosphate

98%

Synonym(s):

Lithium phosphorus fluoride

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About This Item

Linear Formula:
LiPF6
CAS Number:
21324-40-3
Molecular Weight:
151.91
NACRES:
NA.23
PubChem Substance ID:
24851997
UNSPSC Code:
12352302
EC Number:
244-334-7
MDL number:
MFCD00011096
Assay:
98%
Form:
powder
Solubility:
H2O: slightly soluble(lit.)

Key Documents

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InChI key

AXPLOJNSKRXQPA-UHFFFAOYSA-N

InChI

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

SMILES string

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

assay

98%

form

powder

reaction suitability

core: lithium

mp

200 °C (dec.) (lit.)

solubility

H2O: slightly soluble(lit.)

density

1.5 g/mL (lit.)

application(s)

battery precursors
catalysts
material synthesis precursor

Quality Level

100

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Application

The main use of LiPF6 is as an electrolyte salt in lithium-ion batteries. It plays a crucial role in the electrolyte solution, enhancing overall ionic conductivity and electrochemical stability. This makes it vital for R&D applications in high-performance batteries in consumer electronics, electric vehicles, and energy storage systems. LiPF6 assists in forming a stable SEI layer on the anode, which is essential for the durability and reliability of lithium-ion batteries. This layer helps prevent degradation and improves battery safety. LiPF6 is useful in R&D applications for the production of thin films and coatings for various electronic and optical applications, enhancing the performance and stability of these materials. It can be used as a catalyst or catalyst component in various organic synthesis reactions, particularly those requiring a strong Lewis acid.

Features and Benefits

  • It can form suitable SEI membranes in electrodes, especially in the cathode
  • It can implement passivation for anode current collectors to prevent their dissolution
  • Wide windows of electrical stability
  • Excellent solubility and high conductivity in various solvents
  • Environment-friendly

General description

Lithium hexafluorophosphate is a white to off-white color compound that comes in powder or chunk form and is widely used in electrochemical applications, particularly in lithium-ion batteries.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1A - STOT RE 1 Inhalation

target_organs

Bone,Teeth

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

201146-25G: + 201146-VAR: + 201146-BULK: + 201146-5G: + 201146-100G:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCN8497
MKCN8209
MKCL1531
MKCH1084
MKCC7367

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M D S Lekgoathi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 153, 651-654 (2015-10-11)
The structure of LiPF6 has been probed using Raman scattering as well as pXRD and the results are compared and contrasted. The conventional Bragg angle scattering pXRD determines that dry LiPF6 crystallizes in a trigonal structure (Space Group R-3 (148))
Kewei Liu et al.
ACS nano, 9(6), 6041-6049 (2015-06-06)
The two-dimensional single-layer and few-layered graphene exhibit many attractive properties such as large specific surface area and high charge carrier mobility. However, graphene sheets tend to stack together and form aggregates, which do not possess the desirable properties associated with
Shijia Zhao et al.
Nanoscale, 7(5), 1984-1993 (2014-12-30)
Hydrogenated carbon nanomaterials exhibit many advantages in both mechanical and electrochemical properties, and thus have a wide range of potential applications. However, methods to control the hydrogenation and the effect of hydrogenation on the microstructure and properties of the produced
Jiangfeng Qian et al.
Nature communications, 6, 6362-6362 (2015-02-24)
Lithium metal is an ideal battery anode. However, dendrite growth and limited Coulombic efficiency during cycling have prevented its practical application in rechargeable batteries. Herein, we report that the use of highly concentrated electrolytes composed of ether solvents and the

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