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669431

Sigma-Aldrich

Lithium fluoride

Precipitated, 99.995%

Synonym(s):

Fluorolithium

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About This Item

Linear Formula:
LiF
CAS Number:
7789-24-4
Molecular Weight:
25.94
EC Number:
232-152-0
MDL number:
MFCD00011090
UNSPSC Code:
12352302
PubChem Substance ID:
24885048
NACRES:
NA.23

Quality Level

100

Assay

99.995%

form

powder

impurities

≤55.0 ppm Trace Metal Analysis

mp

845 °C (lit.)

density

2.64 g/mL at 25 °C (lit.)

SMILES string

[Li+].[F-]

InChI

1S/FH.Li/h1H;/q;+1/p-1

InChI key

PQXKHYXIUOZZFA-UHFFFAOYSA-M

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General description

Lithium fluoride is an inorganic halide with good ionic conductivity, high refractive index, and high transmittance in the UV region. Owing to its unique properties, it is widely used in the field of optical and electronic devices, X-ray imaging, and dental materials.

Application

Lithium fluoride(LiF) can be used:
  • To fabricate an insulating layer in AC-driven organic light-emitting diodes(OLEDs). LiF provides excellent capacitance and high stability to the insulating layers in AC devices.
  • As a precursor to synthesize Eu2+/Ce3+ doped barium lithium fluoride phosphors by solvothermal method.
  • To fabricate LiF thin film coating on the lithium anodes to enhance their stability and coulombic efficiency.
  • As an additive to enrich and enhance the performance of solidelectrolyte interface(SEI) in Li metal batteries.

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301,H315,H319,H335

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

EUH032

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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Alternating current driven organic light emitting diodes using lithium fluoride insulating layers
Shang-Yi Liu, et al.
Scientific Reports, 4, 7559-7559 (2014)
Novel ALD Chemistry Enabled Low-Temperature Synthesis of Lithium Fluoride Coatings for Durable Lithium Anodes
Lin Chen, et al.
ACS Applied Materials & Interfaces, 10, 26972-26981 (2018)
The intrinsic behavior of lithium fluoride in solid electrolyte interphases on lithium
Mingfu He, et al.
Proceedings of the National Academy of Sciences, 117, 73-79 (2020)
Solvothermal fabrication and luminescent properties of Eu2+/Ce3+ doped barium lithium fluoride
Guoxian ZHU, et al.
Journal of Rare Earths, 30, 985-989 (2012)
Asa Carlsson Tedgren et al.
Medical physics, 38(10), 5539-5550 (2011-10-14)
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