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HEDP

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  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;
  Molecular Formula: C2H8O7P2
  Molecular Weight: 201.9987
  Molecular Structure: 2809-21-4 1-Hydroxyethylidene-1,1-diphosphonic acid

  Company: Henan Qingshuiyuan Technology CO., Ltd     [ China ]        
  Contact: Yanping Zhou
  Tel: +86-391-6082211 6088611
  Fax: +86-391-6086299
  Email: sales@qywt.com.cn
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