1-Ethyl-3-methylimidazolium Trifluoromethanesulfonate TCI E0494

Chemical Identity

Other names: EMIMOtf · 1-Ethyl-3-methylimidazolium Triflate · EMIMOtf
CAS No.: 145022-44-2
PubChem: CID 2758874·SID 87569744
Formula: C7H11F3N2O3S
Molecular weight: 260.23 g/mol
Purity: >98.0%(T)
Reference databases: ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 1-ethyl-3-methylimidazol-3-ium;trifluoromethanesulfonate
SMILES: CCN1C=C[N+](=C1)C.C(F)(F)(F)S(=O)(=O)[O-]
InChIKey: ZPTRYWVRCNOTAS-UHFFFAOYSA-M
MDL: MDL00210008

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1-Ethyl-3-methylimidazolium trifluoromethanesulfonate is an ionic liquid widely used in chemical reactions and synthesis processes within laboratory settings. As a versatile solvent and reaction medium, it plays a crucial role in enabling the dissolution of both organic and inorganic compounds. Its unique properties make it an essential component in modern chemical research, supporting a wide range of experimental applications. This material is particularly valued for its stability and reliability in various chemical environments.

The key properties that make this ionic liquid a preferred choice include its non-volatile nature and high boiling point. These characteristics ensure that it remains stable under extreme reaction conditions, such as high temperatures or pressures. Additionally, its low vapor pressure minimizes the risk of evaporation or leakage during experiments, enhancing safety and reducing the need for frequent replenishment. These attributes contribute to its effectiveness as a reliable and safe chemical reagent in laboratory operations.

In Indonesian laboratories, this ionic liquid is commonly used in organic chemistry research, material synthesis, and catalytic processes. Its non-toxic and non-flammable nature makes it a preferred choice for experiments requiring a safe and stable reaction environment. Researchers in educational and research institutions rely on this compound for its consistent performance and compatibility with a broad range of chemical substances.

TCI brochures (PDF)

Ionic Liquids for Battery Research 2026-04-13 · p. 1
Ionic Liquids 2026-06-08 · p. 8

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Organic synthesis experiments benefit from this ionic liquid due to its ability to dissolve a wide range of organic compounds and facilitate reaction processes.
Material synthesis applications utilize this compound as a solvent for creating new materials with specific structural and functional properties.
Catalytic reactions often employ this ionic liquid as a reaction medium, enhancing reaction efficiency and selectivity under various conditions.
Analytical chemistry procedures use this substance for its stability and non-volatility, ensuring accurate and reproducible results.
Green chemistry initiatives incorporate this ionic liquid as a sustainable alternative to traditional volatile solvents, reducing environmental impact.

Brand	TCI
CAS number	145022-44-2
Molecular formula	—
Purity	—
Category	Chemistry > Specialty Synthesis > Ionic Liquids
Pack sizes	Available in various sizes as per supplier specifications
Physical form	Liquid
Storage	Store in a cool, dry place away from direct sunlight

This ionic liquid should be stored in a cool, dry environment, away from direct sunlight and sources of heat. It is recommended to use sealed containers made of materials compatible with its chemical properties to prevent contamination and evaporation. Due to its non-volatile nature, it does not require frequent replenishment, but regular checks for container integrity are advised. In laboratory settings, it should be handled with appropriate personal protective equipment, such as gloves and safety goggles, to ensure safety during use and storage. Proper labeling of containers is essential for identification and safe handling.

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