PBTC is a common water treatment agent, with CAS No.37971-36-1; EINECS No.253-733-5; PBTC is widely used for corrosion and scale inhibition in circulating cooling water systems and oilfield water injection systems, especially suitable for compounding with zinc salts and copolymers. It can be used in high temperature, high hardness, high alkalinity, and situations that require high concentration factors for operation; It can be used as a chelating agent and metal cleaning agent in the washing industry.