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- Phosphonates Antiscalant & Corrosion Inhibitor
- Salts of Phosphonates
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- Reverse Osmosis Chemicals
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EDTMPS(Ethylene Diamine Tetra) (Methylene Phosphonic Acid) (Sodium Salt)
TL;DR EDTMPS is an excellent chelating agent with high efficiency. It can be complex with metal ions to form stable complexes and has good solubility in water.
EDTMPS (Sodium Salt) — EDTMPS is the water-soluble sodium salt of EDTMP, a chelating scale and corrosion inhibitor that controls scale in high-alkalinity cooling water and stabilizes peroxide in textile bleaching.
Compare EDTMPS(Ethylene Diamine Tetra) (Methylene Phosphonic Acid) (Sodium Salt) with the treatment objective and operating conditions of your water or process system. Include the industry, water characteristics, current treatment, target, required quantity, packaging and destination in your enquiry so the relevant available grades can be identified and quoted.
Product Description
CAS No. 1429-50-1
Molecular Formula:C6H12O12N2P4Na8
Molecular weight: 612.13
Structural Formula:
Properties:
EDTMPS is a nitrogenous organic polyphosphoric acid and a potent cathodic corrosion inhibitor that can be dissolved in water, making it innocuous and non-polluting. This chemical has exceptional stability and tolerance to thermal conditions, displaying potent scale inhibition under temperatures of up to 200℃. Furthermore, EDTMPS can dissociate into 8 positive-negative ions, which it uses to chelate with multiple metal ions forming polymer reticulation complexes that disrupt the normal crystallization of calcium scale. Additionally, this acid has efficacy over calcium and barium sulfate, providing more efficient antiscalant effects than conventional inorganic polyphosphates.
Specification:
| items | index |
|---|---|
| Appearance | Clear yellow to umber transparent liquid |
| Active component (EDTMPS)% | 28.0min |
| 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 (Cl-) % | 3.0max |
Usage:
EDTMPS can be employed as a corrosion inhibitor in circulating cool water systems and boilers while operating with the recommended 2-10mg/L concentration alone. This organotransition metal chelate is an ideal chelating agent for non-cyanogen electroplating operations and has been tested as a water-softening additive in printing and dyeing operations. Moreover, EDTMPS is also compatible with HPMA, BTA, PAAS, and zinc salt when mixing by a predetermined ratio of 1:3 ETDMP: HPMA for more efficient low-pressure boiler performance.
Package and Storage:
200L plastic drum,IBC(1000L),customers’ requirement. Storage for ten months in a shady room and dry place.
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