ATMPNa5 is the salt of ATMP, it can inhibit calcium carbonate particularly in water treatment system. Appearance: Colorless to light yellow transparent liquid ATMPNa5 can be used in circulating cool system in power plant, oil refinery plant and oilfield refill water system. ATMPNa5 is a general low cost scale inhibitor, it has good corrosion inhibition to zinc salt and phosphate, its chelating ability is good as well. ATMPNa5 is used together with other organophosphonic acid, polycarboxylic acid or salt to form organic alkaline agents. ATMPNa5 can be used in circulating cool water system for all water quality.