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Merck
CN

940135

Sodium tetrafluoroborate

greener alternative

electrolyte powder, anhydrous, battery grade, 99% trace metals basis

Synonym(s):

Sodium borofluoride, Sodium fluoroborate

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About This Item

Linear Formula:
NaBF4
CAS Number:
13755-29-8
Molecular Weight:
109.79
UNSPSC Code:
12352200
EC Index Number:
237-340-6
MDL number:
MFCD00003515
NACRES:
NA.21

Key Documents

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Product Name

Sodium tetrafluoroborate, electrolyte powder, anhydrous, battery grade, 99% trace metals basis

InChI

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

SMILES string

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

InChI key

KGJZTOFHXCFQIV-UHFFFAOYSA-N

grade

battery grade

assay

99% trace metals basis

form

powder

Quality Level

100

greener alternative product characteristics

Design for Energy Efficiency
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mp

384 °C (lit.)

solubility

soluble (carbonates: soluble(lit.); glymes: soluble(lit.))

density

2.47 g/mL at 25 °C (lit.)
2.47 g/mL at 25 °C

application(s)

battery manufacturing

greener alternative category

Enabling

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Application

Sodium tetrafluoroborate is used in sodium-ion battery research in liquid electrolyte formulations as an electrolytic salt or as an additive. It is intended to optimize the performance and stability of sodium-ion batteries. It has been shown to form stable fluorine-rich solid-electrolyte interphase (SEI) and cathode-electrolyte interphase (CEI), which improves the efficiency of sodium metal deposition and dissolution and leads to high cycling stability even at high voltages.

General description

Our battery grade sodium tetrafluoroborate (NaBF4) is a high-purity, anhydrous compound, synthesized carefully to minimize trace metals and other impurities. The crystalline NaBF4 is soluble in carbonates and glymes used in battery electrolytes, like ethylene carbonate and dimethyl carbonate.
Sodium Tetrafluoroborate is an important electrolyte salt for sodium-ion batteries, offering high ionic conductivity and thermal stability. Its use supports greener technologies by enabling safer, cost-effective, and sustainable energy storage solutions with reduced reliance on scarce lithium resources, promoting environmentally friendly battery development. Click here for more information.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW8418
MKCZ5164

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Articles

Role of Advanced Electrolytes in Sodium Ion Batteries

Discover the role of electrolytes in sodium-ion batteries, to enhance performance, safety, and sustainability in energy storage solutions.

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