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935913

Sigma-Aldrich

Lithium tetrafluoroborate

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Technipur®, ultra dry, powder, 99.99% trace metals basis

Synonym(s):

Lithium borofluoride, Lithium fluoroborate

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About This Item

Linear Formula:
LiBF4
CAS Number:
Molecular Weight:
93.75
MDL number:
UNSPSC Code:
12352302
NACRES:
NA.21
Assay:
99.99% trace metals basis
Grade:
reagent grade
Form:
powder
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grade

reagent grade

Quality Level

assay

99.99% trace metals basis

form

powder

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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mp

293-300 °C (dec.) (lit.)

application(s)

battery manufacturing

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SMILES string

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

InChI

1S/BF4.Li/c2-1(3,4)5;/q-1;+1

InChI key

UFXJWFBILHTTET-UHFFFAOYSA-N

General description

Lithium tetrafluoroborate Technipur®, ultra-dry, powder, 99.99% trace metals basis is an inorganic compound that appears as a white crystalline powder. It is highly soluble in organic solvents such as dimethyl carbonate (DMC) and ethylene carbonate (EC), making it suitable for use in various electrochemical applications. For smaller SKUs, Visit 451622

We are committed to bringing you Greener Alternative Products, which belongs to one of the four categories of greener alternatives. This product serves as an electrolyte with excellent ionic conductivity and is commonly used in the production of lithium-ion batteries, thus it has been enhanced for energy efficiency. Click here for more information.

Application

Lithium tetrafluoroborate (LiBF4) Technipur® is primarily designed for R&D applications as an electrolyte salt in lithium-ion batteries, where it enhances ionic conductivity and electrochemical stability, thereby improving the performance and lifespan of the batteries. As an additive in electrolyte solutions, LiBF4 stabilizes the solid electrolyte interphase (SEI) layer and reduces electrolyte degradation, enhancing overall battery performance. In a recent study, it has been observed that graphite//LiNi0.6Co0.2Mn0.2O2 cells deliver the highest reversible capacity at low temperature (−20 °C), when LiBF4-based ester electrolyte containing 1% lithium bis(trimethylsilyl) phosphate (LiTMSP) is used as an electrolyte. The other application of the product is in organic chemistry where LiBF4 acts as a catalyst in various organic synthesis reactions, improving reaction efficiency and selectivity. For example, it is used in aza-Michael addition reactions with aromatic amines and electron-deficient alkenes.

Features and Benefits

  • Lithium Tetrafluoroborate Technipur®, ultra-dry, 99.99% trace metals basis ensures the absence of moisture, which is crucial for maintaining battery efficiency and preventing unwanted side reactions.
  • Its high purity makes it ideal for applications where even minute impurities can significantly affect the outcome. The ultra-high purity guarantees consistent performance across various applications, reducing variability and enhancing reliability.
  • Large sized pre-packs tailored to your needs
  • Scalable supply chain for your manufacturing needs
  • Inventory availability is maintained for rapid delivery

Legal Information

Technipur is a registered trademark of Merck KGaA, Darmstadt, Germany


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Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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