Quick Product Information

Product Name1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
CAS Number2809-21-4
Chemical FormulaC2H8O7P2
Supply OriginChina
DocumentsCOA / SDS / TDS / Specification available upon request
InquiryRequest Quotation →

Product Overview

HEDP (1-hydroxyethane-1,1-diphosphonic acid) is a widely used organophosphonate chelating agent and scale inhibitor in industrial water treatment systems, cooling towers, and oil field water injection applications. Its excellent stability across a broad pH and temperature range makes it the most commonly specified corrosion and scale inhibitor in industrial water chemistry. SUNCHEM supports international buyers with 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Applications & Uses

  • Scale inhibitor in industrial cooling water systems
  • Corrosion inhibitor for steel and copper
  • Boiler water treatment formulation ingredient
  • Oil field and gas well scale prevention
  • Metal sequestrant in cleaning formulations
  • Desalination system antiscalant
  • Electroplating bath stabilizer

Why Source 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) Through SUNCHEM?

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) sourcing requires careful verification of manufacturers, compliance with export documentation, and proper logistics management. SUNCHEM supports global customers by connecting them with qualified Chinese producers and managing the key steps from sourcing to shipment.

Qualified Producer Selection

We help customers identify suitable Chinese manufacturers based on product specifications, production scale, quality records, and export capability.

Quality & Document Support

We coordinate documents including COA, MSDS, TDS, product specifications, and other export-related documents required for international trade.

Export & Logistics Coordination

SUNCHEM works with experienced logistics partners to ensure safe and compliant shipment arrangements, including proper handling for regulated materials.

Flexible Sourcing Solutions

Whether you require regular commercial supply, trial orders, or long-term procurement support, we match suitable supply sources to your requirements.

Long-Term Supply Management

We help manage supplier communication, quality follow-up, shipment schedules, and supply chain stability.

Ready to Source 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) from China?

Send us your required purity, quantity, destination port, and documentation needs. Our team will respond with quotation details and available product documents.

Basic Info

Chemical Synonym(s)(1-Hydroxyethylidene)bisphosphonic acid;(1-Hydroxyethylidene)diphoshonic acid;(Hydroxyethylidene)diphosphonic acid;1,1,1-Ethanetriol diphosphonate;1-Hydroxyethane-1,1-bisphosphonic acid;1-Hydroxyethane-1,1-diphosphonate;1-Hydroxyethanediphosphonic acid;1-Hydroxyethylidene-1,1-bisphosphonate;1000SL;Acetodiphosphonic acid;Acide etidronique [INN-French];Acidum etidronicum [INN-Latin];BRN 1789291;Dequest 2010;Dequest Z 010;EHDP;Ethane-1-hydroxy-1,1-diphosphonic acid;Etidronate;Ferrofos 510;Hydroxyethane-1,1-diphosphonic acid;Oxyethylidenediphosphonic acid;Phosphonic acid, (1-hydroxyethylidene)di-;RP 61;Turpinal SL;UNII-M2F465ROXU;Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-;1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP);HT-101 HEDP;
CAS Number2809-21-4
Chemical Formula

C2H8O7P2

Characteristics

Density2.114 g/cm3
Melting Point198~199 °C
Boiling Point578.8 °C at 760 mmHg
Flash Point303.8 °C
Appearancelight beige powder
Risk Codes37/38-41
Safety26-39
Transport Information:UN 3265

Frequently Asked Questions

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