1-Methyl-3-pentylimidazolium Bromide TCI M3037

TCI M3037 1-Methyl-3-pentylimidazolium Bromide is an imidazolium ionic liquid that carries a pentyl alkyl chain on the nitrogen atom at position 3 and a methyl group at position 1, paired with a bromide anion. The compound belongs to the 1-methyl-3-alkylimidazolium homologous series, in which the chain length is varied systematically from one member to the next. In the laboratory it serves as a non-volatile alternative solvent, as an electrolyte, as a starting material for anion exchange, and as a study object for understanding how alkyl chain length influences the physical behaviour of ionic liquids.

The property that makes this material attractive is the five-carbon pentyl chain, which increases the lipophilic character of the cation compared with the ethyl, propyl, or butyl homologues, yet remains shorter than the octyl homologue. This chain extension affects viscosity, melting behaviour, the ability to form surfactant-like aggregates, and solubility in both organic solvents and water. For that reason the compound is frequently chosen when researchers want to tune the polarity of a medium finely, or when they are constructing a curve relating chain length to physical properties. The bromide anion also remains readily exchangeable, which opens a route toward other ionic liquids derived from the same cation.

In Indonesian laboratories, materials of this type are generally used in university and institutional research groups working on green chemistry, electrochemistry, separation science, and materials synthesis. They typically appear in work where a volatile organic solvent is to be replaced, where an electrolyte medium is needed, or where a series of homologues is compared side by side. Because the compound is supplied by TCI as a catalogue reagent, it is ordered as part of a planned experimental series rather than as a routine bulk consumable.

• Alternative non-volatile solvent studies — the ionic liquid can replace conventional volatile organic solvents in reaction media, allowing researchers to work under conditions where solvent evaporation and vapour loss are undesirable.
• Electrolyte formulation and electrochemical research — the ionic character of the salt makes it usable as an electrolyte medium in electrochemical experiments that require a conductive, non-volatile liquid phase.
• Anion exchange starting material — the readily exchangeable bromide anion allows this compound to serve as a precursor for preparing other ionic liquids that share the same 1-methyl-3-pentylimidazolium cation.
• Chain-length structure–property investigations — as a defined member of the 1-methyl-3-alkylimidazolium homologous series, it supports systematic studies correlating alkyl chain length with viscosity, melting behaviour, and solubility.
• Medium polarity tuning and aggregation studies — the five-carbon pentyl chain gives intermediate lipophilicity, useful for finely adjusting medium polarity and for examining surfactant-like aggregate formation in solution.

• Catalogue Number: M3037
• Product Form: Imidazolium ionic liquid; 1-methyl-3-pentylimidazolium cation with bromide anion

Store the container tightly closed in a cool, dry, well-ventilated area, away from moisture and from direct sunlight, following the storage conditions stated on the manufacturer's label and safety data sheet. Imidazolium bromide salts are generally hygroscopic, so keep the original container sealed and minimise exposure to humid air during weighing and transfer; a desiccator or a sealed secondary container is advisable for opened stock. Handle the material in a fume hood or a well-ventilated laboratory area while wearing gloves, safety glasses, and a laboratory coat. Use clean, dry glassware or chemically compatible plastic containers for transfer, label all working aliquots clearly, and dispose of residues and contaminated materials through the laboratory's chemical waste stream in accordance with local regulations. Always consult the current safety data sheet before first use.

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