This product is mainly used as a solvent and organic synthesis intermediate, and can be used to produce epoxy resin curing agent, gas purification agent (for CO2 removal), lubricant additive, emulsifier, photographic chemical, surfactant, fabric finishing agent, paper reinforcement agent, amino carboxylic chelating agent, metal chelating agent, heavy metal wet metallurgy and cyanide free electroplating diffusion agent, brightener, as well as synthetic ion exchange resin and polyamide resin.