90% HEDP powder 1-Hydroxyethylidene-1, 1-Diphosphonic Acid

• Post Date:

  Jul 05,2018

• Expiry Date:

  Jul 05,2019

• Detailed Description:

  Cas No. :2809-21-4 Specs:90% HEDP powder
  Price:1500 USD Metric Tons
  Payment Method: LC TT
  1.Chemical name: 1-Hydroxyethylidene-1, 1-Diphosphonic Acid 90% HEDP powder
  2.Abbreviation: HEDP
  3.Molecular Formula: C2H8O7P2
  4.Molecular Weight: 206
  5.CAS NO 2809-21-4
  HS Code 2931901990
  
  1.Properties:
  HEDP White Powder 90% 2809-21-4is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds. It can dissolve the oxidized materials on these metals' surfaces. HEDP White Powder 90% 2809-21-4shows excellent scale and corrosion inhibition effects under temperature 250°C.
  
  2.Specification of HEDP White Powder 90%:
  Appearance White Crystal Powder
  Active Content (HEDP)% : 90 Min
  Phosphorous Acid (as PO33-)% : 0.5 Max
  Phosphoric Acid (asPO43- )% : 0.5 Max
  Chloride (as Cl-)% : 0.1 Max
  PH (1% Solution) : 2 Max
  
  3.Usage:
  1. HEDP White Powder 90% 2809-21-4is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.
  
  2. In light woven industry, HEDP White Powder 90% 2809-21-4is used as detergent for metal and nonmetal.
  
  3. In dyeing industry, HEDP White Powder 90% 2809-21-4is used as peroxide stabilizer and dye-fixing agent.
  
  4. In non-cyanide electroplating, HEDP White Powder 90% 2809-21-4is used as chelating agent.
  
  The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L
  
  as detergent. Usually, HEDP White Powder90% 2809-21-4is used together with polycarboxylic acid.
  
  4.Package and Storage:
  
  HEDP White Powder 90%: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
  
  Storage for ten months in shady room and dry place.
  
  

• 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:

  zhengzhou hoo chemtec co., ltd.     [ China ]        

• Contact:

  kevin wu

• Tel:

  +86-371-63386815

• Fax:

  +86-371- 67985568

• Email:

  enquiry@hoochem.com