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Edtmpa - China

price: contact company for price

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

CAS No. 1429-50-1

Molecular Formula: C6H20 N2O12P4 Molecular weight: 436.13

Structural Formula:


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.


items index

Appearance White crystal powder

Active acid % 96.0min

Total phosphonic acid(as PO43-)% 82.0 min

Chloride (Cl-) % 0.1 max

Moisture % 2.0 max

Fe,mg/L 5 max

pH(1% solution) 2.0 max

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

Package and Storage:

25kg/bag, customers’ requirement.Storage for one year in shady room and dry place.


EDTMPA;EDTMP;EDTMP(A);Ethylene Diamine Tetra (Methylene Phosphonic Acid); EDTPO;


Feel free to contact us with all your questions

Company Contact:

  • Phone: 86-632-5796776

  • Address: Zhongtian Road, Shizhong district, Zaozhuang city,, Zaozhuang, China

  • Email: Email

Published date: September 7, 2012 -

  • Business Description: Youbang Chemicals Co., Ltd. ( YBC), founded in 1999, is one of the largest Chinese manufacturers of polymers, biocides, phosphonates and other water treatment chemicals.

    YBC has acquired its Certification for ISO9001 Quality Management System (QMS), Certification for ISO9001 14001 Environmental Management System (EMS) and Certification for OHSAS 18001 Occupational Health and Safety Assessment Series.

    YBC has also been granted network access license for water treatment chemicals for electric power systems and SINOPEC.

    YBC boasts of stable product quality, reliable product performance, complete product line of water treatment chemicals, customized products, rapid response, timely delivery and perfect post sales service. With a total staff number of 300, an annual capacity of 50,000 MT and an annual turnover of $65 Million, YBC provides its products through reliable agencies and distributors worldwide.

    YBC is dedicated to manufacture of high quality water treatment chemicals for extensive applications in numerous fields of industrial water treatment, including but not limited to: oilfields, boilers, cooling towers, geothermal power plants, and reverse osmosis systems, etc.

    YBC is always committed to R&D and innovation. YBC s pilot and bench test facilities allow for various performance evaluation tests on a basis of customized formulations.

    YBC, your professional supplier and partner of water treatment chemicals in China.

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