1-Hydroxyethylidene-1,1-Diphosphonic Acid

• Post Date:

  Oct 11,2013

• Expiry Date:

  Apr 09,2014

• Detailed Description:

  Cas No. :2809-21-4
  Chemical name:1-Hydroxyethylidene-1,1-Diphosphonic Acid(HEDP)
  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.
  Recommended Uses: Cooling water treatment, boiler treatment, I & I cleaners, swimming pool stain prevention, metal ion control
  Typical Properties:

  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(CaCO3)mg/g as product at PH 11-12	500 min
  PH(1% solution)@20°C	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

• Tel:

  +86-391-6082211 6088611 136038

• Fax:

  +86-391-6086299

• Email:

  sales@qywt.com.cn