Lithium bis (trifluoromethanesulfone) imide

from Wikipedia, the free encyclopedia
Structural formula
Structural formula of lithium bis (tirfluoromethanesulfone) imide
General
Surname Lithium bis (trifluoromethanesulfone) imide
other names
  • LiTFSI
  • Li (NTf 2 )
  • Lithium bistriflimide
Molecular formula LiC 2 NO 4 F 6 S 2
Brief description

White dust

External identifiers / databases
CAS number 90076-65-6
EC number 415-300-0
ECHA InfoCard 100.101.430
PubChem 3816071
ChemSpider 2058897
Wikidata Q27273378
properties
Molar mass 287.09 g mol −1
Physical state

firmly

density

1.064 g cm −3

Melting point

234-238 ° C

solubility

approx. 10 g l −1 at 20 ° C

safety instructions
GHS labeling of hazardous substances
05 - Corrosive 06 - Toxic or very toxic 08 - Dangerous to health

danger

H and P phrases H: 301 + 311-314-373-412
P: 260-273-280-301 + 310 + 330-303 + 361 + 353-305 + 351 + 338
Toxicological data

160 mg kg −1 ( LD 50 ,  rat ,  oral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Lithium bis (trifluoromethanesulphone) imide is the lithium salt of bis (trifluoromethane) sulphonimide with the empirical formula LiC 2 NO 4 F 6 S 2 . It is used as an electrolyte in lithium-ion batteries , among other things . It is also used in the synthesis of ionic liquids as a source of the bistriflimide anion.

Individual evidence

  1. ↑ a b c d e f g data sheet bis (trifluoromethane) sulfonimide lithium salt from Sigma-Aldrich , accessed on April 15, 2020 ( PDF ).
  2. ↑ Julian Kalhoff, Dominic Bresser, Marco Bolloli, Fannie Alloin, Jean-Yves Sanchez: Enabling LiTFSI-based Electrolytes for Safer Lithium-Ion Batteries by Using Linear Fluorinated Carbonates as (Co) Solvent . In: ChemSusChem . tape 7 , no. 10 , October 2014, p. 2939-2946 , doi : 10.1002 / cssc.201402502 .
  3. ↑ L. Suo, O. Borodin, T. Gao, M. Olguin, J. Ho: "Water-in-salt" electrolyte enables high-voltage aqueous lithium-ion chemistries . In: Science . tape 350 , no. 6263 , November 20, 2015, ISSN  0036-8075 , p. 938-943 , doi : 10.1126 / science.aab1595 .
  4. ↑ L. Smith, B. Dunn: Opening the window for aqueous electrolytes . In: Science . tape 350 , no. 6263 , November 20, 2015, ISSN  0036-8075 , p. 918-918 , doi : 10.1126 / science.aad5575 .