Triethylenetetramine (TETA) is an organic compound with the chemical formula C6H18N4. CAS：112-24-3，It is a colorless to slightly yellow viscous liquid that is miscible with water, slightly soluble in ether, and soluble in ethanol and acid. It is mainly used as a complexing agent, a dehydrating agent for alkaline gases, a dye intermediate, and a solvent for epoxy resins.