HEDP

• Category :

  Catalyst and Auxiliary/Water Treatment Chemicals

• 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;HEDP (Hydroxyethylidene Diphosphonic Acid);

• CAS NO :

  2809-21-4

• EC NO :

  220-552-8

• Molecular Formula :

  C₂H₈O₇P₂

• Molecular Weight :

  201.9987

• Main Specifications :

• InChI :

  InChI=1/C2H8O7P2/c1-2(3,10(4,5)6)11(7,8)9/h3H,1H3,(H2,4,5,6)(H2,7,8,9)/p-4

• Product description :

  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

• Uses :

  Cooling water treatment,boiler treatment,I & I cleaners,swimming pool stain prevention,metal ion control

• Molecular Structure :