Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium (EDTMPS) 1429-50-1

 

  Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium (EDTMPS)  1429-50-1

 

• CAS NO.: 1429-50-1

   

   

  Specification:

   

   

  Item	Standard
  Appearance	Clear yellow to umber transparent liquid
  Active component (EDTMPS)	≥28.0%
  Organic phosphonic acid (asPO43- )	≥10.0%
  Phosphorous acid (as PO33-)	≤5.0%
  Phosphoric acid  (asPO43- )	≤1.0%
  Chloride (as Cl-)	≤3.0%
  pH value (1% solution)	9.5 - 10.5

   

   

   

  Uses: It 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.

   

   

   

   

   

  Packing: in 250kg net drum or as customer's request.

   

   

   

   

  Storage: Storage for ten months in room shady and dry place.

   

 

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