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Sigma-Aldrich

Magnesium bis(trifluoromethanesulfonimide)

Synonym(s):

Magnesium bis(ditriflimide)

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About This Item

Empirical Formula (Hill Notation):
C4F12MgN2O8S4
CAS Number:
133395-16-1
Molecular Weight:
584.60
MDL number:
MFCD14156020
UNSPSC Code:
12352300
PubChem Substance ID:
329766363
NACRES:
NA.22

form

powder

mp

>200 °C

SMILES string

FC(F)(F)S(=O)(=O)N([Mg]N(S(=O)(=O)C(F)(F)F)S(=O)(=O)C(F)(F)F)S(=O)(=O)C(F)(F)F

InChI

1S/2C2F6NO4S2.Mg/c2*3-1(4,5)14(10,11)9-15(12,13)2(6,7)8;/q2*-1;+2

InChI key

DMFBPGIDUUNBRU-UHFFFAOYSA-N

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General description

Magnesium bis(trifluoromethanesulfonimide) (Mg(TFSI)2) is a strong magnesium Lewis acid. It is used as a catalyst in organic synthesis. For instance, it is used in the synthesis of dihydropyrazoles by reaction of nitrilimines with alkenes. Additionally, Mg(TFSI)2 salt is also useful for ionic conductivity studies, transference number measurements, and electrochemical properties of gel polymer electrolyte (GPE) systems.
Magnesium bis(trifluoromethanesulfonimide), also known as magnesium triflimide, can be used as an inorganic catalyst in various organic reactions, including acetylation of phenols and alcohols, aminolysis of lactones with amines, [2 + 2] cycloadditions of siloxy-alkynes with carbonyl compounds, cycloisomerization of 1,6-dienes, Friedel-Crafts acylation, and for the synthesis of coumarins.

Application

  • Rechargeable Battery Research: Utilized in the study of rechargeable Mg-ion batteries, Magnesium bis(trifluoromethanesulfonimide) serves as a model anode material, providing significant insights into atomistic and mesoscale mechanisms that could revolutionize battery development and application (Kravchyk et al., 2018).

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Precautionary Statements

P280 - P305 + P351 + P338 - P310

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Magnesium Bis (trifluoromethylsulfonyl) imide
Selvakumar S, et al.
eEROS (Encyclopedia of Reagents for Organic Synthesis) (2001)
Magnesium bis (trifluoromethane) sulfonimide: An efficient catalyst for the synthesis of coumarins under solvent-free conditions
Wang H
Monatshefte fur Chemie / Chemical Monthly, 144, 411-414 (2013)
Toshihiko Mandai et al.
Physical chemistry chemical physics : PCCP, 21(23), 12100-12111 (2019-04-26)
To achieve a sustainable-energy society in the future, next-generation highly efficient energy storage technologies, particularly those based on multivalent metal negative electrodes, are urgently required to be developed. Magnesium rechargeable batteries (MRBs) are promising options owing to the many advantageous

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