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| Product Name: |
Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium EDTMPS
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| Related proudcts |
edtmps, edtmps, water treatment, |
| Specifications |
CAS No. : 1429-50-1 |
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Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium (EDTMPS)
CAS No. : 1429-50-1
Structural Formula :
Molecular Formula : C6H12O12N2P4Na8
Molecular Weight : 612.13
Properties :
EDTMPS is a nitrogenous organic polyphosphonic acid, a part of cathodic corrosion inhibitor. Its corrosion inhibition is 3~5 times better than that of inorganic polyphosphate. It can be fully dissolved in water, innocuous and none pollution to environment, and it has a good chemical stability and thermal tolerance. It shows an excellent scale inhibition ability under temperature 200℃. It can dissociate into 8 positive-negative ions, thus can chelate with many metal ions to form polymer reticulation complex, to destroy the normal crystallization of calcium scale. It shows better antiscale effects to calcium sulfate and barium sulfate.
Specification :
Items Index
Appearance Clear yellow to umber tran***rent liquid
Active acid (EDTMPS) % 28.0 min
Organic phosphoric acid (as PO43-)% 10.0 min
Phosphorous acid (as PO33-) % 5.0 max
Phosphoric acid (as PO43-) % 1.0 max
Chloride (Cl-) % 3.0 max
pH (1% water solution) 9.5-10.5
Density (20℃) g/cm3 1.25 min
Usage :
EDTMPS can be used as corrosion inhibitor in circulating cool water system and boiler water. It is a chelating agent in non-cyanogens electroplating industry and a water-softening agent in printing & dyeing industry. When used alone, 2~10mg/L is preferred. When built with H*** by ratio EDTMP: H***=1:3. It can be used for low pressure boiler. It can also be built with BTA, PAAS and zinc salt.
Package and Storage :
Normally in 200L plastic drum, IBC (1000L) can also be used as required. Storage for 10 months in a cool and dry place.
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| Company: |
Zaozhuang Youbang Chemical Co. , Ltd
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| Contact: |
Ms. jenny fu |
| Address: |
No.7,Changjiang 5 Road, Ecnomic Development Zone, Zaozhuang city, Shandong Province,China |
| Postcode: |
277100 |
| Tel: |
86 632 3059579 |
| Fax: |
86 632 5796333 |
| E-mail: |
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