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

Molecular Formula: C7H21N2O10P3 Molecular weight: 386

Structural Formula:



AEEA Phosphonatehas very high calcium tolerance with good scale inhibition effects. It is an effective scale inhibitor for a squeeze or continuous treatment of calcium and magnesium carbonate, calcium, strontium, and barium sulfate and iron scales in water system of high temperatures.


AppearanceClear, Colorless to pale yellow aqueous solution
Active content(as acid), %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/cm31.30 min


This product is often mixed with other organic phosphonic acid, polycarboxylic acid or salt to form organic water treatment agent, which is used in circulating cooling water system under various water quality conditions. The optimal dosage is 1-20mg /L; When used as corrosion inhibitor, the dosage is 20 ~ 60mg/L.

Package and Storage:

The package is 250 KG/plastic drum or according to customer’s request.
Storage for ten months in room shady and dry place.

Safety Protection:

Acidity, avoid contact with eye and skin, once contacted, flush with water. 

Contact: Kobe Huang (VP of Sales)  Aaron Lee (Export Manager)  TEL: +86-632-3671188   FAX: +86-632-3671189  E-mail:

ADD: No.1, Fuqian South Road, Xuecheng Chemical Industrial Park, Xuecheng District, Zaozhuang City, Shandong Province, China