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Home > Products > Scale Inhibitor /Cleaning Agent > 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

Payment Type: L/C,T/T,D/P
Terms of Trade: FOB,CFR,CIF,FCA,CPT,CIP
Min. Order: 20 Metric Ton
Delivery Time: 21 Days

Product Description

  • HEDP is 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 shows excellent scale and corrosion inhibition effects under temperature 250℃. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.
    The solid state of HEDP is crystal powder, suitable for usage in winter and freezing districts. Because of its high purity, it can be used as Cleaning Agent in electronic fields and as additives in daily chemicals
  • Name: 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

  • Molecular Weight: 206.02
  • Synonyms: HEDP,corrosion inhibitor
  • CAS No: 2809-21-4


  • Pakage: 250kg/durm or 25kg/bag

    ITEM

    crystal

    liquid

    liquid

    HEDP.H2O

    98% Min

    50%min

    60%min

    HEDP

    89% Max

    --

    --

    PO33-

    0.8%Max

    1.0%Max

    1.0%Max

    PO43-

    0.5% Max

    0.6%Max

    0.6% Max

    Chloride

    0.01% Max

    0.01% Max

    0.01% Max

    PH

    2

    2

    2

    Fe (mg·L-1)

    5max

    10max

    10max

    Ca sequestration (mg CaCO3/g)

    --

    450min

    500min

    Density (20℃ )g/cm3

    --

    1.36

    1.4

    Colour APHA (Hazen)

    --

    10 max

    10 max



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We, a specialist manufacturer of Food Additive, feed additive more than 20 years. our product have exported to USA, Brazil, Chile,Newzealand, Australia, Croatia,Senegal,Vietnam etc,

food additive (monosodium glutamate, chicken bouillon)

We have two fermentation department, use high quality corn starch as raw materials,through fermenting, decolorizing,crystallzing,done as our fine monosodium glutamate,in the chicken seasoning department,we use nature chicken powder,mix with salt,palm oil,flavor enhancers,vegetable fat,msg,etc, done as our find chicken bouillon

feed additive

our company use the achievements in scientific research from the university,combined with the advantages of local raw materials (sheep intestine),produced the goldbeater's skin protein powder(Dried porcine solubles /DPS).our DPS content more than 70 %small peptides,rich in trace element, muti-amino acids
suitable for young livestock,high-grade aquatic amimals

Company Info
  • Company Name: Shijiazhuang Standard Imp&exp Co.,Ltd.
  • Representative: machunmin
  • Product/Service: Monosodium Glutamate , Chicken Seasoning , Chicken Bouillon , Polyacrylamide , Chromium Picolinate , Detergent
  • Capital (Million US $): 1000000
  • Year Established: 2010
  • Total Annual Sales Volume (Million US $): US$2.5 Million - US$5 Million
  • Export Percentage: 61% - 70%
  • Total Annual Purchase Volume (Million US $): US$1 Million - US$2.5 Million
  • No. of Production Lines: 3
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 5,000-10,000 square meters
  • Factory Location: Shijiazhuang & baoding
  • Contact Person: Mr. Frank
  • Tel: 86-311-67665117
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