Used primarily as a gas treating agent to remove acidic components like hydrogen sulfide (H₂S) and carbon dioxide (CO₂) from natural gas, refinery streams, and syngas. Its selective absorption properties make it ideal for sweetening sour gases where H₂S must be removed efficiently while minimizing CO₂ co-absorption. Commonly applied in natural gas processing, petroleum refineries, and ammonia plants. Also serves as a precursor in the production of surfactants, emulsifiers, and corrosion inhibitors. Used in boiler water treatment to control pH and prevent corrosion in steam systems. Its low volatility and high thermal stability enhance performance in regenerative absorption systems.