Bis Hexamethylene Triamine Penta (methylene phosphonic acid) BHMTPH•PN 2019-09-11T03:40:38+00:00

Project Description

Partially neutralized sodium salt of bis hexamethylene triamine penta (methylene phosphonic acid) BHMTPH•PN(Nax)

CAS No.: 35657-77-3
Molecular Formula: C17H44-XO15N3P5Nax
Molecular Weight: 731


BHMTPH•PN is an effective scale inhibitor for carbonate and sulfate scale. Bis Hexamethylene Triamine Penta (methylene phosphonic acid) is water soluble and has good heat tolerance in the wide range of pH and 120°C. BHMTPH•PN has high calcium ion tolerance.


AppearanceDark brown liquid
Active component (as acid) %35.0 – 39.0
pH (1% water solution)2.5 – 4.5
Density (20°C)g/cm31.21 – 1.31
Fe, mg/L65 max


This product can be used as scale and corrosion inhibitor for oilfield water, industrial circulating cool water and boiler.

Package and Storage:

200L plastic drum, IBC (1000L), customers’ requirement. Storage for ten months in a shady room and dry place.

Safety and Protection:

Acidity. Avoid contact with eye and skin. Once contacted, flush with water.

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