HEDP

• Post Date:

  Oct 10,2013

• Expiry Date:

  Apr 08,2014

• Detailed Description:

  Cas No. :2809-21-4 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
  
  Specification:
  Appearance Clear colourless to pale tan liquid, free from foreign matter.
  Odour Slight to none
  Active Acid (%) 59.5 - 61.0
  pH (1% solution at 20°C) w/v 2.0 max
  pH (1% solution at 20°C) v/v 2.5 max
  Sequestrant value (mgCaCO3/g ) 400 min
  Phosphorous acid as H3PO3
  phosphoric acid as H3PO4 (%) 4.0 max
  Orthophosphate as PO43- (%) 0.5 max
  Viscosity at 25°C (mm2/s) 35.0 - 41.0
  Specific Gravity at 20/20°C 1.440 - 1.455
  Colour (APHA) 80 max
  Cu content, as Cu (ppm) 1.0 max
  Co content, as Co (ppm) 1.0 max
  Ti content, as Ti (ppm) 1.0 max
  Iron, as Fe (ppm) 10.0 max
  Pb content, as Pb (ppm) 10.0 max
  Chloride (as Cl-, ppm) 25.0 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:

  

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  Henan Qingshuiyuan Technology CO., Ltd     [ China ]        

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