Ionic liquids

Ionic liquids

Ionic liquids or low-temperature molten salts represent a new class of solvents for a cleaner chemistry. Their low melting point, often below room temperature, offers significant energy savings. And unlike other solvents, they are infinitely recyclable.

Ionic liquids (also called room temperature molten salts or ionic solvents) are a new class of solvents offering interesting opportunities as a reaction medium for cleaner chemistry. Ionic liquids are salts comprising organic cations (for example imidazolium or pyridinium salts), complexed with inorganic or organic anions (such as, for example Cl-, Br-, AlCl4-, PF6- et BF4-, NO3-, (CF3SO2)2N-, etc.) which are liquid around room temperature.

General properties, based on an innovative technology, ionic liquids are:

  • Non volatile
  • non-flammable
  • Stable at high temperature (up to 200°C / 392°F or 400°C / 752°F depending on the product) and Chemical (water and oxygen)
  • Hydrophobic or Hydrophilic
  • Good conductors (electrolytes)
  • Broad electrochemical range

The physico chemical properties of ionic liquids depend on the type and the size of the two ions forming them. For example, ionic liquids containing chloride, bromide or trifluoroacetate anions are highly water soluble (hydrophilic). Conversely, when they are associated with an anion such as hexafluorophosphate or bis(trifluoromethanesulfonyl)imide, water solubility is very limited (hydrophobic), forming two liquid phases.

Advantages

  • Safer for the environment and for users (non flammable and non volatile)
  • Process optimization: better selectivity and higher yield
  • Immobilization of the catalyst or biocatalyst in ionic liquids
  • Tunable physico-chemical properties, thanks to facile cation or anion exchange and/or chemical functionalization
  • Very good solvent for a wide range of compounds: organic and inorganic materials, transition metals, enzymes, cellulose, polymers, … etc.
  • Recyclable without performance loss.
1-(4-Sulfobutyl)-3-methylimidazolium...

1-(4-Sulfobutyl)-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide

Brute formula
C10H15F6O7S3N3
CAS
909390-59-6
Molar mass
499.43
Purity
Specifications
1-Methyl-1-(2-methoxyethyl)Pyrrolidinium...

1-Methyl-1-(2-methoxyethyl)pyrrolidinium Bis(trifluoromethanesulfonyl)imide

Brute formula
C8H18NO - N(CF3SO2)2
CAS
[757240-24-7]
Molar mass
424.38
Purity
Specifications
H-methylimidazolium Bis(trifluoromethanesulfonyl)imide

H-methylimidazolium Bis(trifluoromethanesulfonyl)imide

Brute formula
C6H7F6N3O4S2
Molar mass
363.26
Purity
Specifications
N-Pentyl-N-methylpyrrolidinium...

N-Pentyl-N-methylpyrrolidinium Bis(trifluoromethanesulfonyl)imide

Brute formula
C12H22N2F6S2O4
CAS
380497-17-6
Molar mass
436.44
Purity
Specifications
N-(3-Methoxypropyl)-N-methylpyrrolidinium...

N-(3-Methoxypropyl)-N-methylpyrrolidinium Bis(trifluoromethanesulfonyl)imide

Brute formula
C11H20F6O5N2S2
CAS
[]
Molar mass
438.35
Purity
Specifications
N-Ethyl-N-N-dimethyl-N-(3-methoxypropyl)ammonium...

N-Ethyl-N-N-dimethyl-N-(3-methoxypropyl)ammonium Bis(trifluoromethanesulfonyl)imide

Brute formula
C10H20F6O5N2S2
CAS
[1373334-05-4]
Molar mass
426.36
Purity
Specifications
N-ethyl-N,N-dimethyl-N(2-methoxyethyl)ammonium...

N-Ethyl-N,N-dimethyl-N(2methoxyethyl)ammonium Bis(trifluoromethanesulfonyl)imide

Brute formula
C7H18NO-N(CF3SO2)2
CAS
[557788-37-1]
Molar mass
412.38
Purity
Specifications
N,N-Diethyl-N-methyl-N(2-methoxyethyl)ammonium...

N,N-Diethyl-N-methyl-N(2methoxyethyl)ammonium Bis(trifluoromethanesulfonyl)imide

Brute formula
C10H20F6N2O5S2
CAS
[464927-84-2]
Molar mass
426.4
Purity
Specifications
N,N-Dimethyl-N-ethyl-N-benzylAmmonium...

N,N-Dimethyl-N-ethyl-N-benzylAmmonium Bis(trifluoromethanesulfonyl)imide

Brute formula
C13H18N2F6S2O4
CAS
1186103-43-4
Molar mass
444.41
Purity
Specifications
N,N-Dimethyl-N-Ethyl-N-Phenethylammonium...

N,N-Dimethyl-N-Ethyl-N-Phenethylammonium Bis(trifluoromethanesulfonyl)imide

Brute formula
C14H20N2F6S2O4
CAS
1804970-28-2
Molar mass
458.44
Purity
Specifications
1-Octyl-3-methylimidazolium...

1-Octyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide

Brute formula
C14H23F6N3O4S2
CAS
[178631-04-4]
Molar mass
475.47
Purity
Specifications
N-Propyl-N-methylpyrrolidinium...

N-Propyl-N-methylpyrrolidinium Bis(trifluoromethanesulfonyl)imide

Brute formula
C10H18N2F6S2O4
CAS
[223437-05-6]
Molar mass
408.4
Purity
Specifications
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