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Sodium Bis(fluorosulfonyl)imide

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Sodium Bis(fluorosulfonyl)imide Basic information

Product Name:
Sodium Bis(fluorosulfonyl)imide
Synonyms:
  • Sodium Bis(fluorosulfonyl)imide
  • Na[(FSO2)2N]NaFSI
  • Imidodisulfuryl fluoride, sodium salt (1:1)
  • Sodium(I) bis(fluorosulfonyl)imide 99.9%
  • Sodium Bis(fluorosulfonyl)amide
  • Sodium Bis(fluorosulfonyl)imide (NaFSI)
CAS:
100669-96-3
MF:
F2NNaO4S2
MW:
203.1208764
Product Categories:
  • 1
Mol File:
100669-96-3.mol
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Sodium Bis(fluorosulfonyl)imide Chemical Properties

Melting point:
109.0 to 114.0 °C
Water Solubility 
Soluble in water
form 
powder to crystal
color 
White to Almost white
InChI
InChI=1S/F2NO4S2.Na/c1-8(4,5)3-9(2,6)7;/q-1;+1
InChIKey
VCCATSJUUVERFU-UHFFFAOYSA-N
SMILES
[Na+].[N-](S(F)(=O)=O)S(F)(=O)=O
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Safety Information

RIDADR 
1759
HS Code 
2935.90.9500
HazardClass 
8
PackingGroup 
II
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Sodium Bis(fluorosulfonyl)imide Usage And Synthesis

Uses

A highly concentrated electrolyte based on sodium bis(fluorosulfonyl)imide (NaFSI) enables the use of Na metal anodes for room-temperature sodium metal batteries based on a Na3V2(PO4)3 cathode with the charging cut-off voltage of 3.7 V versus Na/Na+[1].

References

[1] Jaegi Lee. “Ultraconcentrated Sodium Bis(fluorosulfonyl)imide-Based Electrolytes for High-Performance Sodium Metal Batteries.” ACS Applied Materials & Interfaces 9 4 (2017): 3723–3732.

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