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Phosphonates Antiscalants, Corrosion Inhibitors and Chelating Agents
Salts of Phosphonates
Polycarboxylic Antiscalant and Dispersant
Biocide and Algicide
Reverse Osmosis Chemicals
Built Scale & Corrosion Inhibitors and Pretreatment Filming Agents
Corrosion Inhibitors & Oxygen Scavenger
Surfactant & Others

Aminoethyl Ethanolamine Tri(Methylene Phosphonic Acid) (HEDTMP)(AEEA Phosphonate)

CAS No. 186614-90-4 EINECS No. 809-925-1
Molecular Formula C7H21N2O10P3 Molecular Weight 386
Structural Formula

AEEA Phosphonate(HEDTMP) Structural Formula

Product Features

AEEA Phosphonate(HEDTMP) is an effective scale inhibitor for a squeeze or continuous treatment of calcium and magnesium carbonate, strontium, calcium and barium sulfate and iron scales in water system of high temperatures. AEEA(HEDTMP) Phosphonate is also an anodic corrosion inhibitor, can be used as a scale/corrosion inhibitor for cooling water, boilers, water floods, or drilling system.

Technical Specification

Parameter Standard
Appearance Clear, Colorless to pale yellow aqueous solution
Active content, % 45.0 min
Phosphonic acid (as PO43-), % 1.0 max
Chloride (as Cl-), % 6.0 max
PH (1% water solution) 2.0 max
Density (20℃), g/cm3 1.30 min

Applications & Usage

AEEA Phosphonate has very little effects on the rheological properties of drilling mud and excellent tolerance to high calcium-content brines.

AEEA Phosphonate is an excellent anodic corrosion inhibitor in the presence of oxygen with application in cooling towers and drilling fluids.

Package & Storage

AEEA Phosphonate(HEDTMP) Liquid
25L Drum 200L Drum 1000L IBC ISO Tank
Storage for 10 months in shady room and dry place.

Hazard & Safety Precaution

Hazard Information Safety Precaution

Corrosive, Class 8, UN 3265

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

Alternative Name / Synonyms

  1. AEEA
  2. AEEA Phosphonate
  3. Aminoethyl Ethanolamine Tri(Methylene Phosphonic Acid)
  4. HEDTMP

AEEA Phosphonate(HEDTMP) Salts:

  1. Aminoethyl Ethanolamine Tri(methylene phosphonic acid) Sodium Salt (AEEA Phosphonate Sodium Salt) (HEDTMP.Na5)