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Phosphonates Antiscalants, Corrosion Inhibitors and Chelating Agents
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Partially neutralized sodium salt of bis hexamethylene triamine penta (methylene phosphonic acid) BHMTPH.PN(Na2)

CAS No. 35657-77-3 Molecular Weight 252-656-4
Molecular Formula C17H42O15N3P5Na2 Molecular Weight 731
Structural Formula

BHMTPH.PN Structural Formula

Product Features

BHMTPH.PN is an effective scale inhibitor for carbonate and sulfate scale. BHMTPH.PN has excellent hydrolytic and thermal stability over a wide range of pH values at temperatures above 120℃. BHMTPH.PN has good calcium compatibility.

Technical Specification

Itas Index
Appearance Dark brown liquid
Active content(as acid), % 35.0-39.0
Fe, mg/L 65 max
Density (20℃), g/cm3 1.21-1.31
PH (1% water solution) 2.5-4.5

Scale and Corrosion inhibition Performance

CaCO3 inhibition CaSO4 inhibition BaSO4 inhibition Iron control Calcium tolerance
Very Good Very Good Very Good Yes Good
Sequestration Steel corrosion inhibition
Good Excellent

Applications & Usage

BHMTPH.PN can be used as scale and corrosion inhibitor for oilfield water, industrial circulating cool water and boiler. As a pre-neutralized version of BHMTPH.PN, BHMTPH.PN allows direct injection at well sites.

Package & Storage

BHMTPH•PN(Na2) Liquid
25L Drum 200L Drum 1000L IBC ISO Tank
25kg Bag
Storage for ten months in shady room and dry place.

Hazard & Safety Precaution

Hazard Information Safety Precaution

Not regulated

Wear protective gloves Wear protective goggles Wear protective clothing

Once contacted with eye and skin, flush with plenty of clean water