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Shandong Taihe Chemicals Co., Ltd.
TEL:  +86-632-5113066
FAX:  +86-632-5112055
E-mail: info@thwater.net
Web: http://www.taihechem.net
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ADD: No.1, Shiliquan East Road, Shizhong District, Zaozhuang City, Shandong Province, P.R.China

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

CAS No.  1429-50-1 

Molecular Formula:   C6H20 N2O12P4                Molecular weight:  436.13

Structural Formula:

Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA

Properties:

Ethylene Diamine Tetra (Methylene Phosphonic Acid) 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. Ethylene Diamine Tetra (Methylene Phosphonic Acid) has strong metal ion chelating capacity, whose chelating constant with cuprum ion is larger than that of EDTA.

Ethylene Diamine Tetra (Methylene Phosphonic Acid) is a high purity non-toxic reagent and non-toxic, with strong ability to chelating ability for metal ions, which can be used in the electronics industry as cleaning agent for semiconductor chips of integrated circuits, and as a carrier of radioactive elements in the pharmaceutical industry for the detection and treatment of diseases

Specification:

Items Index
Appearance White crystal powder
Active acid (as EDTMPA)% 96.0 min
Total phosphonic acid(as PO43-)% 82.0 min
Chloride (Cl-) % 0.1 max
Moisture % 2.0 max
Fe, mg/L 5.0 max
pH(1% water 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 ten months in shady room and dry place.

Synonyms:

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

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ADD: No.1, Shiliquan East Road, Shizhong District, Zaozhuang City, Shandong Province, P.R.China
TEL:+86-632-5113066  FAX:+86-632-5112055     
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