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Home>Products>Phosphonate Scale Inhibitor>Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium CAS No. 1429-50-1

  • Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium CAS No. 1429-50-1
  • Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium CAS No. 1429-50-1

Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium CAS No. 1429-50-1

  • CAS No. 1429-50-1 Molecular Formula: C6H12O12N2P4Na8 Molecular weight: 612.13 Structural Formula:                                                          

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Product Description

CAS No. 1429-50-1

Molecular Formula: C6H12O12N2P4Na8

Molecular weight: 612.13

Structural Formula:

                                                                      

 

Properties:

EDTMPS is nitrogenous organic polyphosphoric acid, a part of a 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 no pollution to the 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 on calcium sulfate and barium sulfate.  

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 used as a corrosion inhibitor in circulating cool water system and boiler water. It is a chelating agent in the non-cyanogen electroplating industry and a water-softening agent in the 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 the low-pressure boiler. It can also be built with BTA, PAAS, and zinc salt.

 

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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Tags:

(EDTMPS)

Scale Inhibitor

inhibitor scale

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  • Home
  • Product Categories
    • Bactericidal Algicide
    • Coagulants And Flocculants
    • Swimming Pool Chemicals
    • Phosphates
    • Phosphonate Scale Inhibitor
    • Corrosion Inhibitors
    • Chelating Agents
    • RO Chemicals
    • Oxygen Scavenger
    • Polyacrylamide
    • Surface Sizing Agent
    • Optical Brightener
    • Fluorescent Whitening Agent
    • Polycarboxylic Antiscale and Dispersant
    • Pulp And Paper Chemicals
  • About Us
    • Company Introduction
    • Company News
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