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Home > Water Treatment Chemical > Corrosion Inhibitor > (1-Hydroxyethylidene)-1,1-diphosphonic acid for Sale > HEDP 60% Liquid Scale and Corrosion Inhibitor for Water Treatment
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HEDP 60% Liquid Scale and Corrosion Inhibitor for Water Treatment

KOSHER 26 Inquiries

Unit Price: Get Latest Price
CAS No.:

2809-21-4

Content:

60%

Port:

Shanghai, China

Brand:

SOV

Packaging:

200L plastic drum; 1000L IBC

Price valid (until):

2026-03-18

Company Type:
Distributor
Location:
United States
Qualification:
Main Products:

Fertilizer,Urea,APIs,Sodium Hypochloride

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Pls input...

    Hydroxyethylidene Diphosphonic Acid (HEDP) is an organophosphonic acid used as a powerful scale and corrosion inhibitor and chelating agent. HEDP 60% is a clear to pale yellow liquid containing 60% active content and a molecular formula C2H8O7P2. It has excellent hydrolytic stability and high sequestering value for metal ions such as Ca2+, Mg2+ and Fe2+.

    As a scale and corrosion inhibitor it controls the precipitation of calcium carbonate and other salts in industrial cooling water systems, low pressure boilers and oilfield water injection. HEDP is also used as a dye-fixing agent in textile printing, a chelating agent in detergents and cleaning formulations, and in metal surface cleaning.

    Typical Properties:
    - Appearance: Colorless to pale yellow transparent liquid
    - Active content: 60% min
    - CAS number: 2809-21-4
    - Molecular formula: C2H8O7P2
    - pH (1% solution): ≤2.0
    - Package: 200L plastic drum or 1000L IBC; custom packaging available.

    Safety: HEDP is acidic; avoid contact with skin and eyes. Wear protective gloves and goggles when handling. In case of contact wash with plenty of water.



      Product Detail  



      Product Detail  


    Certificates

    Basic Info
    Product Name:

    (1-Hydroxyethylidene)-1,1-diphosphonic acid

    Other Name:

    Phosphonic acid,P,P′-(1-hydroxyethylidene)bis-;Phosphonic acid,(1-hydroxyethylidene)di-;Phosphonic acid,(1-hydroxyethylidene)bis-;P,P′-(1-Hydroxyethylidene)bis[phosphonic acid];1-Hydroxyethane-1,1-diphosphonic acid;Etidronic acid;Ethane-1-hydroxy-1,1-diphosphonic acid;(1-Hydroxyethylidene)diphosphonic acid;Dequest Z 010;(1-Hydroxyethylidene)-1,1-diphosphonic acid;1000SL;Oxyethylidenediphosphonic acid;Hydroxyethanediphosphonic acid;1-Hydroxyethanediphosphonic acid;EHDP;Dequest 2010;1-Hydroxy-1,1-diphosphonoethane;Dequest 2015;HEDP;(1-Hydroxyethylidene)bisphosphonic acid;Turpinal SL;1-Hydroxyethane-1,1-bisphosphonic acid;Ferrofos 510;(1-Hydroxyethylidene)-1,1-bis(phosphonic acid);Feliox 115;Wayplex;Xydiphone;Lonza 106;Tecquest 360;OEDF;OEDP;Xidiphone;Ksidifon;Defloc EH 06;Mayoquest 1500;HDEPA;Turpinal SLR;Masquol P 210;Terpil SL;RP 61;Cublen K 60;Dequest 2010CS;1-Hydroxyethane-1,1-diyldiphosphonic acid;Sone 16;Dequest 16;Briquest ADPA 60A;Acetodiphosphonic acid;Unihib 106;Anti Cal 5;Sequion 10H;1-Hydroxyethylidene-1,1′-diphosphonic acid;Mascol P 210;NSC 227995;Belclene 660;Feliox CY 115;Chelate 101;OEDFK;1-Hydroxyethylidene-1,1-diphosphoric acid;Briquest ADPA-A;Acidum etidronicum;Ethydronate;Ethidronate;Etidronate;Dequest 2010LA;Feliox 115A;Xidifon;Kochtreat 75;Chelest PH 210L;Dequest D 2010;Dequest 2010R;1-Hydroxyethylidene-1,1-diphoshonic acid;Aquacid 105EX;Aquacid 105CG;51888-66-5;66216-98-6;83047-25-0;85188-80-3;85985-26-8;86159-18-4;100511-44-2;103736-66-9;106908-76-3;129130-42-3;138360-84-6;192526-55-9;303177-33-5;853028-38-3

    CAS No.:

    2809-21-4

    UN No.:

    3265

    Molecular Formula:

    C2H8O7P2

    InChIKeys:

    InChIKey=DBVJJBKOTRCVKF-UHFFFAOYSA-N

    Molecular Weight:

    206.02800

    Exact Mass:

    206.03

    EC Number:

    220-552-8

    UNII:

    M2F465ROXU

    NSC Number:

    227995

    DSSTox ID:

    DTXSID6023028

    NCI Thesaurus Code:

    C1332

    ATC Code:

    M - Musculo-skeletal system

    HScode:

    2931900090

    Categories:

    Corrosion Inhibitor

    Characteristics
    PSA:

    154.91000

    XLogP3:

    -3.7

    Appearance:

    Liquid

    Density:

    1.45 (60% aq.)

    Melting Point:

    155 °C (decomp)

    Boiling Point:

    578.8ºC at 760 mmHg

    Flash Point:

    303.8ºC

    Refractive Index:

    1.586

    Water Solubility:

    Soluble in water.

    Vapor Pressure:

    8.34E-16mmHg at 25°C

    Toxicity:

    LD50 oral in mouse: 1800mg/kg

    Hazard Identification

    Classification of the substance or mixture

    Corrosive to metals, Category 1

    Acute toxicity - Category 4, Oral

    Serious eye damage, Category 1

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H290 May be corrosive to metals

    H302 Harmful if swallowed

    H318 Causes serious eye damage

    Precautionary statement(s)
    Prevention

    P234 Keep only in original packaging.

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    Response

    P390 Absorb spillage to prevent material damage.

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P317 Get medical help.

    Storage

    P406 Store in a corrosion resistant/...container with a resistant inner liner.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Distributor

    Main Products:

    Fertilizer,Urea,APIs,Sodium Hypochloride

    Location:

    W153N8358 Manhattan Dr , WI

    Payment Terms:

    TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

    Total Annual Revenue:

    $2.5 million-$5 million

    Total Employees:

    11-50

    Year of Establishment:

    2025

  • Inquiry History
    26 Inquiries
    Country Product Purchase Quantity Date Posted
    Egypt

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

    1 20' Fcl Nov 15, 2025
    Russia

    Etidronic acid( HEDP)

    1 20' Fcl Feb 10, 2025
    Uzbekistan

    HEDP

    100 KG Jun 13, 2025
    United Arab Emirates

    Hydroxyethylidene Diphosphonic Acid - HEDP 60%

    20.00 MT Jun 8, 2026
    Egypt

    Hydroxyethylidene Diphosphonic Acid

    1.00 KG Apr 27, 2026
    India

    HEDP 60%

    1 KG Apr 14, 2026
    Egypt

    1-Hydroxyethylidene-1,1-diphosphonic acid

    1.00 KG Mar 25, 2026
    Uzbekistan

    1-Hydroxyethane-1,1-diphosphonic Acid

    60 MT Feb 26, 2026
    Turkey

    HEDP 60%

    1 20' Fcl Feb 9, 2026
    Egypt

    Hydroxyethylidene diphosphonic acid

    1.00 20' Fcl Nov 24, 2025
    Egypt

    HEDP Phosphonic Acid 1-Hydroxyethylidene-1, 1-Diphosphonic Acid

    1 20' Fcl Oct 11, 2025
    Egypt

    Hydroxyethylidene Diphosphonic Acid

    1.00 L Oct 9, 2025
    India

    HEDP60

    3 MT Sep 15, 2025
    India

    1-Hydroxyethylidene-1, 1-Diphosphonic Acid (HEDP)

    1000 TON Aug 4, 2025
    India

    Etidronic acid (HEDP)

    65.00 KG Aug 1, 2025
    Indonesia

    Dequest 2010 LC

    1 MT Jul 31, 2025
    Brazil

    PHOSPHONATE - HEDP UN3265 CLAS 8

    176000.00 KG Jun 13, 2025
    India

    Hydroxyethylidene Diphosphonic Acid 60%

    10.00 MT Apr 23, 2025
    India

    1-Hydroxyethylidene-1,1-diphosphonic acid

    1.00 20' Fcl Dec 9, 2024
    Vietnam

    BELCLENE 660 (HEDP)

    100.00 KG Feb 27, 2024
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