4-Methylmorpholine N-oxide is widely used as a solvent in the production of cellulose-based materials, particularly in the Lyocell process for manufacturing fibers. It effectively dissolves cellulose without causing significant degradation, making it essential for creating eco-friendly textiles. Additionally, it serves as a catalyst in organic synthesis, particularly in oxidation reactions, where it facilitates the conversion of alcohols to carbonyl compounds. Its stability and efficiency in these processes make it a valuable component in both industrial and laboratory settings.