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Merck
CN

940186

LiBETI

greener alternative

electrolyte powder, anhydrous, battery grade

Synonym(s):

Bis(pentafluoroethanesulfonyl)imide lithium salt, LiBETA, Lithium bis(pentafluoroethylsulfonyl)imide

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About This Item

Empirical Formula (Hill Notation):
C4 HF10 NO4 S2Li
CAS Number:
132843-44-8
Molecular Weight:
388.11
UNSPSC Code:
12352107
NACRES:
NA.21

Key Documents

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InChI

1S/C4HF10NO4S2.Li/c5-1(6,7)3(11,12)20(16,17)15-21(18,19)4(13,14)2(8,9)10;/h15H;

InChI key

TWWUUDFJDGCFDD-UHFFFAOYSA-N

SMILES string

[Li].O=S(=O)(NS(=O)(=O)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)F

grade

battery grade

assay

99%

form

powder

Quality Level

100

greener alternative product characteristics

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

sustainability

Greener Alternative Product

mp

328 °C

application(s)

battery manufacturing
battery manufacturing

greener alternative category

Enabling

Related Categories

General description

Lithium bis(pentafluoroethylsulfonyl)imide (LiBETI) is an electrolytic salt used in lithium-ion electrolytes. It is a white powder with a high melting point of 328 °C that is soluble in many polar solvents including water, acetonitrile, and many of the carbonates used in traditional lithium-ion liquid electrolytes.

LIBETI Electrolyte Powder is a high-quality lithium salt designed for advanced battery applications. It enhances battery performance and safety by promoting stable electrolyte interfaces, supporting longer cycle life. Its efficient synthesis and compatibility with eco-friendly battery systems make LIBETI a valuable component in developing greener, more sustainable energy storage technologies. Click here for more information.

Application

LiBETI finds use in lithium-ion batteries, including organic liquid electrolytes, water-in-salt electrolytes, and polymer electrolytes. LiBETI has been found to have much better durability against moisture than LiPF6 or LiBF4, especially at high operating temperatures. Additionally, LiBETI is less corrosive to aluminum current collectors than other imide-based electrolytic salts like LiTFSI.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW8640

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