Aminoethyl Ethanolamine Tri(Methylene Phosphonic Acid),its synonyms is HEDTMP or AEEA Phosphonate,its Cas No. 186614-90-4. AEEA Phosphonate has very high calcium tolerance with good scale inhibition effects. HEDTMP cas:186614-90-4 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. AEEA Phosphonate's appearance is Clear, pale yellow transparent liquid, HEDTMP cas:186614-90-4 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 chemical formula of HEDTMP cas:186614-90-4 is C7H21O10N2P3, with a relative molecular weight of 386; The appearance is a light yellow transparent liquid, with an active component of 35.0% Min.