bis(hexamethylene triamine penta (methylene phosphonic acid)) bhmtpmpa cas no. 34690-00-1 dequest: 2090 molecular formula: c17h44o15n3p5 molecular weight: 685 properties: bhmtpmpa is a high-efficient chelating scale inhibitor, it has good effect to carbonate and sulfate scale. bhmtpmpa has good water soluble properties and heat tolerance. bhmtpmpa has high calcium ion tolerance in a wide ph ranges and temperature as high as 120℃. specification: items index appearance dark brown liquid active component % 43.0-48.0 chloride （cl-）% 8.0 max fe（as fe3+）ppm 65 max density（20℃）g/cm3 1.23 min ph value (1% water solution) 2.0 max usage: bhmtpmpa can be used as scale and corrosion inhibitor for oilfield water, industrial circulating cool water and boiler. package and storage: normally in 250kg net plastic drum, ibc drum can also be used as required. storage for ten months in room shady and dry place. safety protection: acidity, avoid contact with eye and skin, once contacted, flush with water.