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Water Treatment High Quality HEDP Cas 2809-21-4

Water Treatment High Quality HEDP Cas 2809-21-4

    Payment Type: L/C,T/T
    Terms of Trade: FOB,CFR,CIF
    Min. Order: 1 Metric Ton
    Delivery Time: 15 Days
    Packaging: 25kg PE drum,250kg PE drum or 1000L IBC
    Brand: GEMHOLD
    Transportation: Ocean
    Place of Origin: CHINA

Basic Info

Model No.: HEDP

Classification: Chemical Additives

Appearance: Liquid

Color: Yellow

CAS No: 2809-21-4

Einecs No: 220-552-8

MF: C2H8O7P2

Purity: 60%

Grade: Industrial Grade

Product Description

Water Treatment High Quality HEDP 2809-21-4

Properties of HEDP: HEDP is an organic phosphonic Acid Corrosion Inhibitor, can dissociate into five positive and negative ions in the water, can chelate Divalent metal ions in the water, and iron, copper, aluminum, zinc and other metal ions forming a stable complex, has a good scale effect.

Specification of HEDP    Standard HG/T3537-1999


Clear, Colorless to pale yellow aqueous solution

Clear, Colorless to pale yellow aqueous solution

White crystal powder

Active content (HEDP)%




Phosphorous acid (as PO33-)%)




Phosphoric acid  (asPO43- )% ≤




Chloride (as Cl-)% ≤




pH (1% solution) ≤




Density  (20°C)g/cm3 ≥




Chelating valuemg/g








Active content(HEDP·H2O)% ≤





 Usage of HEDP:

1. HEDP is used as scale and corrosion inhibition in circulating cool water system,

2. oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc..

3. In light woven industry, HEDP is used as detergent for metal and nonmetal.

4. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;

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Gemhold (SJZ) Trading Co., Ltd. is a fully integrated chemical manufacturer and supplier. We specialize in the production and export of chemicals which are used for a wide range of applications in the feed, fertilizer, food, industrial and water treatment fields. Our commitment to regulatory compliance and extensive product/supply qualification process give our customer.

We have advanced production equipment and technology, perfect testing methods and quality assurance system, the products sold hot throughout the provinces, and mainly exports to Europe and Southeast Asia and other countries.

"Control the quality by controling each step well, Improve the service by serving every customer well" is our long term presistence and commitment. We not only supply all the related lead products, but also with the best price, advanced technical and best service to get your trust.

We sincerely hope to cooperate with you, to build a good relationship of common develpoment and prosperity.

Company Info

  • Company Name: Gemhold (SJZ) Trading Co., Ltd.
  • Representative: Grace Fan
  • Product/Service: Hexabromocyclododecane , Sodium Chlorites , Lead Nitrates , Sodium Bisulfates , Melamine Cyanurates , BDDP
  • Capital (Million US $): 510,000RMB
  • Year Established: 2004
  • Total Annual Sales Volume (Million US $): US$10 Million - US$50 Million
  • Export Percentage: 91% - 100%
  • Total Annual Purchase Volume (Million US $): Below US$1 Million
  • No. of Production Lines: 20
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: Gudao Industrial Park, HeKou District, Dongying, China
  • Contact Person: Mr. James Yang
  • Tel: 0086-311-87793668
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