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EDTMPS Ethylene Diamine Tetra (Methylene Phosphonic Acid)
 EDTMPS Ethylene Diamine Tetra (Methylene Phosphonic Acid) |
Product Description
Ethylene Diamine Tetra (Methylene Phosphonic Acid)
Sodium (EDTMPS)
CAS No. 1429-50-1
Molecular Formula: C6H12O12N2P4Na8
Molecular weight: 612.13
Specifications:
Appearance Pale-yellow Aqueous solution
Active Content(asEDTMPS)
Organic Phosphnic acid(as PO43- ) 28 % min
10% min
Phosphorous acid (as PO33- ) 5.0% max
Phosphoric acid (as PO43- ) 1.0% max.
Chloride (as CL- ) 3.0 max
pH (1% Water Solution) 9.5 -10.5
Density (20) g/cm³ 1.3--1.4
Applications:
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.
Usage:
EDTMPS can be used as corrosion inhibitor in cyclic cooling water system and boiler water, metal chelate agent and color fixing agent for print and textile, ect.
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 30kg or 250kg net Plastic DRAM, IBC's drum can be used as required. Storage in cool and ventilated room in one year.
| Trademark: | Hetai |
|---|---|
| Model NO.: | 1429-50-1 |
| Origin: | Zaozhuang City Hetai Water Treatment Co., ltd |
| Appearance: | Liquid |
| Company: | Zaozhuang City Hetai Water Treatment Co., Ltd. |
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