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Supply Edtmps Edtmpa And All Kinds Of The Water Treatment Chemicals

Posted at: Offers to Sell and Export | Posted on: Wed 10 Oct, 2007 12:04 am |
 
edtmps edtmpa water treatment chemicals
Products Photos CatalogEdtmps Edtmpa Water Photos Catalog



Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium (EDTMPS)

CAS No. 1429-50-1


Dequest: 2040

Molecular Formula: C6H12O12N2P4Na8 Molecular weight: 612.13

Properties:

EDTMPS is 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, has good chemical stability and thermal tolerance. It shows 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. EDTMPS shows better antiscale effects to calcium sulfate and barium sulfate.

Specification:

items index

Appearance Clear yellow to umber transparent liquid

Active component(EDTMPS)% 30.0min

Organic phosphonic acid(asPO43- )% 10.0min

Phosphorous acid(as PO33-)% 5.0max

Phosphoric acid (asPO43- )% 1.0max

pH(1% water solution) 9.5-10.5

Density (20℃)g/cm3 1.25min

Chloride (as Cl-)% 3.0max

Usage:

EDTMPS can be used as corrosion inhibitor in circulating cool water system and boiler water. It is a chelating agent in non-cyanogen electroplating industry and a water-softening agent in printing & dyeing industry. When used alone, 2~10mg/L is preferred. When built with HPMA by ratio ETDMP:HPMA=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 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place.

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

CAS No 1429-50-1 Dequest: 2040

Molecular Formula: C6H20 N2O12P4 Molecular weight: 436.13

Properties:

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.

Specification:

Appearance White crystal powder

Active acid % 95.0min

Total phosphonic acid(as PO43-)% 82.0 min

Dryness weight loss % 2.0 max

Fe ppm 5 max

Cl % 0.1 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 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.



Company Contact:

No member photo
Contact Name: Mr. Tony Hu,
Company Name: Shandong Taihe Water Treatment Co., Ltd
Email: Email
Tel: 0086-632-5113066
Fax: 0086-632-3460156
Street Address: Xiwangzhuang Town,
Shizhong District, Zaozhuang City,
Shandong Province, China
Website: http://www.thwater.com
Member name: taihe001
Country: China-CN China
Member Since: 09 October 2007
Total Leads: 14 taihe001 Import Export Business Leads
Business focus: Water Treatment Chemicals, Hedp, Atmp, Amps, Paa, Paas, Edtmps, Anticale Agent, Corrosion Inhibitor
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