1.The world’s leading manufacturer of Xanthan gum,Oil Driling Chemicals etc.
2.Handle about 200,000 tons of chemicals,doing over 20,000 deliveries with a turnover of about 25,000,000 USD.
3.We start the bussiness since the year 1997.

Water treatment

Ethylene Diamine Tetra (Methylene Phosphonic Acid) (Solid) (EDTMPA)

Ethylene Diamine Tetra (Methylene Phosphonic Acid) (Solid) (EDTMPA)




Ethylene Diamine Tetra (Methylene Phosphonic Acid) (Solid)


CAS No.: 1429-50-1 

Molecular Formula:  

Molecular weight:  436.13



EDTMPA is white crystal powder at room temperature, with melting point 215-217℃, hard to be dissolved in water, the solubility is less that 5% at room temperature, easy dissolved in ammonia. EDTMPA has strong metal ion chelating capacity, whose chelating constant with cuprum ion is larger than that of EDTA.

EDTMPA has high capacity for chelating metal ions. The complex constant with Cu is the largest in all chelating agents including EDTA. EDTMPA is a kind of high-pure grade reagent and innocuous, it can be used as detergent in semiconductor chip to prepare integrated circuit, as carrying agent for radioelement in medical industry, and as agent for inspection and therapy. The chelating capacity of EDTMPA largely exceed that of EDTA and DTPA, and can replace EDTA for chelating agent at almost any situation. 





White crystal powder

Active acid %


Total phosphonic acid(as PO43-)%

82.0 min

Dryness weight loss %

2.0 max

Fe ppm

5 max

Cl %

0.1 max


2.0 max


Our company can produce 99% (chromatograph purity) and high purity product on demand of clients.

Package and Storage:

25kg inner liner polyethylene (PE) bag, outer plastic woven bag, with agreement with export environment requirement, or confirmed by clients. Storage for one year in room shady and dry place.

Links:Sodium polyacrylate Laboratory Refrigerator,Small Upright Freezer,Xanthan Gum