It's bitter, odorless, boiling point is 204(15mmHG),soluble in alcohol, benzene, toluene, chloroform and dimethylformamide, and slightly soluble in water. Uses: It's mainly used as rust-preventer,antifreezing liquid,antioxidant additive(including lubricating oil,hydraulic oil,brake oil,transformer's oil),emugent,water stabilizer,the additive for high molecular materials'(polyester and polyesteramide)capacity of ultraviolet resistance and anstatic electricity,photographic antifogging agent,copper mine flotation,metal's slow corrosion etc.