Hydroxyethylenediphosphonic acid (HEDP)
HEDP - High-performance organic phosphonic acid corrosion inhibitor with exceptional thermal stability up to 250°C. Effective scale prevention and metal chelation for industrial water treatment.
HEDP - High-performance organic phosphonic acid corrosion inhibitor with exceptional thermal stability up to 250°C. Effective scale prevention and metal chelation for industrial water treatment.
Product Name: 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
CAS Number: 2809-21-4
Molecular Formula: C₂H₈O₇P₂
Molecular Weight: 206.02 g/mol
HEDP is a highly effective organic phosphonic acid corrosion inhibitor renowned for its exceptional scale and corrosion inhibition properties. This versatile compound demonstrates outstanding thermal stability, maintaining performance integrity at temperatures up to 250°C. With superior resistance to hydrolysis and decomposition under various conditions, HEDP offers reliable protection across a wide range of industrial applications. Its unique ability to form stable complexes with metal ions and dissolve surface oxides makes it an ideal choice for demanding water treatment scenarios.
Exceptional Thermal Stability: Maintains performance at temperatures up to 250°C
Superior Metal Chelation: Forms stable complexes with Fe, Cu, Zn and other metal ions
Excellent Scale Inhibition: Effective prevention of scale formation through six-element chelate complex formation
Enhanced Chemical Resistance: Better acid/alkali and chlorine oxidation resistance than other organic phosphonic acids
High Purity Formulation: Solid form suitable for sensitive applications and cold climate conditions
Multi-Industry Application: Versatile performance across various industrial sectors
Environmental Adaptability: Effective in diverse water chemistry conditions
| Specification | |
Molecular Formula | C₂H₈O₇P₂ |
Molecular Weight | 206.02 g/mol |
CAS Number | 2809-21-4 |
Form | Liquid / Solid |
Thermal Stability | Up to 250°C |
pH Stability | Effective in high pH conditions |
Detailed technical specifications available in Certificate of Analysis
HEDP is engineered for excellence across multiple industrial sectors:
Power Generation: Circulating cooling water systems in power plants
Chemical Processing: Scale and corrosion inhibition in chemical manufacturing
Metallurgical Industry: Water treatment in metal processing facilities
Oil & Gas: Injection water treatment and pipeline protection
Textile Industry: Metal and non-metal cleaning applications
Dyeing Operations: Peroxide stabilizer and color fixing agent
Electroplating: Chelating agent in non-cyanide electroplating
Electronics: High-purity cleaning applications
Daily Chemicals: Additive in consumer products
Scale Inhibition: 1-10 mg/L
Corrosion Inhibition: 10-50 mg/L
Cleaning Applications: 1000-2000 mg/L
Typical Usage: Combined with polycarboxylic acids for enhanced performance
Optimal dosage should be determined based on specific water chemistry and system parameters
Liquid Form: 30 kg and 250 kg plastic drums
Solid Form: 25 kg polyethylene-lined woven bags
Custom Packaging: Available upon request
Storage: Store in cool, dry, well-ventilated area
Shelf Life: 10 months from production date
Handling: Protect from moisture and extreme temperatures
HEDP is an acidic substance. Appropriate personal protective equipment must be worn during handling, including chemical-resistant gloves and safety glasses. Avoid contact with skin, eyes, and clothing. In case of contact, immediately flush with plenty of water and seek medical attention if necessary. For comprehensive safety information, consult the Safety Data Sheet (SDS).
[ Safety Data Sheet (SDS)]
[ Technical Data Sheet (TDS)]
[ Certificate of Analysis (COA)]
Contact our technical team to request complete documentation package
Evaluate HEDP performance in your specific application. Contact us to request a complimentary sample and technical consultation.
Our team of water treatment specialists provides:
Customized formulation recommendations
Application-specific dosage guidance
Compatibility testing services
Technical consultation and troubleshooting
Performance optimization services
Quality Assurance: All products undergo rigorous quality control testing to ensure consistent performance and reliability. Each batch is accompanied by a Certificate of Analysis guaranteeing specification compliance.
Regulatory Compliance: HEDP meets international standards for water treatment chemicals and environmental regulations.
Disclaimer: The information provided is based on current knowledge and believed to be accurate. Users should conduct appropriate testing to determine suitability for specific applications. All products are supplied subject to our standard terms and conditions of sale.
