Sodium Salt of Bis Hexamethylene Triamine Penta (Methylene Phosphonic Acid)
CAS Number: 35657-77-3
Molecular Weight: 731
Effective threshold scale inhibitor for carbonate and sulfate scales. Excellent hydrolytic and thermal stability over a wide range of PH values at temperatures above 120°C. Has has high calcium ion tolerance.
Can be used as scale and corrosion inhibitor for oilfield water, industrial circulating cool water and boiler. This pre-neutralized version of BHMTPMPA allows direct injection at well sites.
Dark amber liquid
Active Acid (%)
46.0 - 50.0
Chloride (as Cl-, %)
pH (1% solution)
3.0 - 4.0
Specific Gravity at 20°C
1.280 - 1.380
Iron, as Fe (ppm)
Package and Storage:
Normally in 200L HDPE drum and 1000L IBC.
Storage for 12 months in room shady and dry place.
Acidity, avoid contact with eye and skin, once contacted, flush with plenty water.