Chemical name: Diethanolamine
Chemical and physical properties: white solid at room temperature, but its tendency to absorb water and to supercool mean it is often encountered as a colorless, viscous liquid, soluble in water
Application: surfactant and a corrosion inhibitor. It is used to remove hydrogen sulfide and carbon dioxide from natural gas, In oil refineries, a DEA in water solution is commonly used to remove hydrogen sulfide from sour gas.
Health safety: potential skin irritant in workers sensitized by exposure to water-based metalworking fluids