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1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide CAS 174899-83-3

1. Description

1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide is a high-performance ionic liquid extensively used in pharmaceutical applications including drug solubilization, API synthesis, and as a reaction medium for challenging transformations. This BMIM-TFSI salt offers exceptional thermal and chemical stability, hydrophobicity, and wide electrochemical window, making it valuable for specialized pharmaceutical processes.

2. Properties

Property Value
Name 1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide
CAS Number 174899-83-3
Molecular Formula C10H15F6N3O4S2
Molecular Weight 419.37 g/mol
Appearance Colorless to pale yellow liquid
Purity >99.5%
Melting Point -4°C
Density 1.43 g/cm³ (20°C)
Solubility Soluble in acetone, acetonitrile; poorly soluble in water
Viscosity 52 cP (25°C)

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