Used as an ionic liquid in green chemistry applications, particularly as a catalyst and solvent in biodiesel production. It facilitates transesterification of triglycerides with high efficiency and selectivity, allowing for easy separation of products and minimal waste. Its low volatility and thermal stability make it suitable for high-temperature reactions. Also explored in CO₂ capture processes due to its ability to absorb acidic gases. Additionally, applied in electrochemical systems and as a medium for organic synthesis where traditional solvents pose environmental or safety risks.