HEDP

• Post Date:

  Oct 10,2013

• Expiry Date:

  Apr 08,2014

• Detailed Description:

  Cas No. :2809-21-4 Specs:60%
  Payment Method: T/T in advance
  Chemical Name: 1-Hydroxyethylidene-1, 1-diphosphonic Acid
  
  Abbreviation: HEDP
  
  Molecular Formula: C2H8O7P2
  
  Molecular Weight: 206
  
  CAS Number: 2809-21-4
  
  Application Notes: Noted for its excellent CaCO3 scale inhibition and chlorine stability is based on hydroxyl ethylidene (1, 1-diphosphonic acid) and is approved for applications in which boiler steam comes in contact with food.
  
  Recommended Uses: Cooling water treatment, boiler treatment, I & I Cleaners, swimming pool, stain prevention, metal ion control.
  
  Specification:
  Appearance Water white to pale yellow liquid
  Active Acid (%) 60.0 min
  Phosphorous acid as PO33- (%) 2.0 max
  Phosphorous acid as PO43- (%) 0.8 max
  Chloride (as Cl-, %) 0.5 max
  Sequestrant value (mgCaCO3/g ) 500 min
  pH(1% solution) 2.0 max
  Density at 20°C, g/cm3 1.440 min
  Iron, as Fe (ppm) 35.0max
  Colour APHA (Hazen) 80 max
  

• CAS Registry Number:

  2809-21-4

• Synonyms:

  ;1-Hydroxyethane-1,1-diphosphonic Acid;Etidronic acid;HEDP;HEDPA; Hydroxy Ethylidene-1,1-Diphosphonic Acid;1-Hydroxy Ethylidene-1,1-Diphosphonic Acid;1-Hydroxyethylidene diphosphonic Acid;1-hydroxy ethylene-1,1-diphosphonic acid;1-HYDROXYETHYLIDENEDI(PHOSPHONIC ACID);disodium (1-hydroxyethane-1,1-diyl)bis[hydrogen(phosphonate)];(1-hydroxyethane-1,1-diyl)bis(phosphonate);Hydroxyethylidenedi(phosphonic acid);Hydroxyethylidine Diphosphonic Acid;HydroxyEthylidene Diphosphonic acid;

• Molecular Formula:

  C₂H₈O₇P₂

• Molecular Weight:

  201.9987

• Molecular Structure:

  

• Company:

  Henan Qingshuiyuan Technology CO., Ltd     [ China ]        

• Contact:

  Yanping Zhou

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