TEL: +86-632-3671188
FAX:+86-632-3671189
E-mail:export@krchemical.com
ADD:No.1, Fuqian South Road, Xuecheng Chemical Industrial Park, Xuecheng District, Zaozhuang City, Shandong Province, China
In the complex world of industrial water treatment, the ability to effectively sequester metal ions and prevent scale formation across diverse water chemistries is a critical requirement. AEEA Phosphonate (Aminoethyl Ethanolamine Tri(Methylene Phosphonic Acid), also known as HEDTMP) and its sodium salt have established themselves as powerful chelating agents and multi-purpose scale inhibitors that deliver exceptional performance across a remarkably wide range of applications.
AEEA Phosphonate functions as a powerful chelating agent that forms stable complexes with metal ions. The molecular structure of AEEA Phosphonate incorporates multiple phosphonic acid groups that provide strong coordination with calcium, magnesium, iron, and other metal ions in water. This chelating ability prevents these metal ions from participating in scale-forming reactions, effectively sequestering them in solution.
This powerful chelation offers significant advantages across multiple applications:
Sequestration of hardness ions in water treatment systems
Prevention of metal ion interference in textile dyeing and finishing processes
Stabilization of metal ions in various industrial formulations
AEEA Phosphonate is a multi-purpose scale inhibitor with recognized efficacy against some of the most challenging scale types encountered in industrial operations. The product is an effective scale inhibitor for squeeze or continuous treatment of calcium and magnesium carbonate, calcium, strontium, and barium sulfate scales, as well as iron scales in high-temperature water systems.
The scale inhibition performance extends to:
Calcium carbonate (CaCO₃) – Effective for both squeeze and continuous treatment
Barium sulfate (BaSO₄) – Recognized as an excellent barium sulfate scale inhibitor
Strontium sulfate (SrSO₄)
Calcium sulfate (CaSO₄)
Iron scales – Particularly valuable in systems with elevated iron content
What truly distinguishes AEEA Phosphonate from conventional phosphonates is its very high calcium tolerance. In water treatment applications where calcium concentrations are high, many scale inhibitors precipitate or lose effectiveness. AEEA Phosphonate maintains its stability and performance even in high-calcium brines.
Research has demonstrated that among various phosphonates, HDTMP (AEEA Phosphonate) exhibits significantly higher Ca²⁺ tolerance compared to many conventional alternatives. The order of Ca²⁺ tolerance has been established as BHMTPMP > PAPEMP > HDTMP ≫ PBTCA > DTPMP > EDTMP > ATMP > HEDP. This superior calcium tolerance makes AEEA Phosphonate the preferred choice for hard water applications where other inhibitors would fail.
AEEA Phosphonate demonstrates excellent thermal stability and maintains its efficacy in high-temperature water systems. This thermal resilience ensures reliable performance in demanding applications including:
High-temperature boiler systems
Geothermal water treatment
Oilfield production systems
Industrial heat exchangers and cooling systems
Circulating Cooling Water Systems: AEEA Phosphonate is widely used in circulating cooling water systems under various water quality conditions. It is often mixed with other organic phosphonic acids, polycarboxylic acids, or salts to form comprehensive organic water treatment agents.
Oilfield Operations: In the petroleum industry, AEEA Phosphonate serves as a scale and corrosion inhibitor, preventing scale formation, precipitation, and adhesion in production pipelines, completion systems, and processing facilities. Its applications include:
Oilfield water injection systems
Drilling systems
Water floods
Squeeze treatments for long-term scale control
Boiler Water Treatment: The product provides reliable scale and corrosion protection for boiler feedwater systems.
Textile and Dyeing: AEEA Phosphonate functions as a chelating agent in textile dyeing and finishing processes, preventing metal ions from interfering with dye uptake and color development.
Additional Applications: The product is also used in chemical, power, metallurgical, and textile industries for industrial water and process water treatment, providing corrosion and scale protection for carbon steel, stainless steel, and other equipment materials.
AEEA Phosphonate functions as an anodic corrosion inhibitor in the presence of oxygen. The compound forms a protective film on metal surfaces, effectively inhibiting electrochemical corrosion. Its corrosion inhibition performance surpasses that of conventional nitrogen-free organic phosphonates, providing superior protection for system equipment and extending service life.
AEEA Phosphonate (CAS 186614-90-4) is available in both acid form and sodium salt form:
For scale inhibition applications, the recommended dosage typically ranges from 1 to 20 mg/L. For corrosion inhibition applications where enhanced metal protection is required, dosages of 20 to 60 mg/L are recommended.
The product exhibits excellent compatibility with other organic phosphonic acids, polycarboxylic acids, and inorganic salts, allowing for the creation of customized synergistic formulations that deliver enhanced overall performance.
AEEA Phosphonate is highly water-soluble, non-toxic, and demonstrates excellent environmental compatibility. Its low toxicity profile and biodegradability make it suitable for use across a wide range of applications, from industrial cooling water to boiler water and oilfield water treatment systems.
Shandong Kairui Chemistry Co., Ltd. is a professional manufacturer of high-quality AEEA Phosphonate (HEDTMP) and AEEA Phosphonate Sodium Salt (HEDTMP·Na5). With years of specialized experience in the R&D and production of water treatment chemicals, the company delivers consistent quality, technical expertise, and reliable supply to customers worldwide.
The company's AEEA Phosphonate products are available in 25kg or 250kg plastic drums, with custom packaging available upon request. Storage for ten to twelve months in a cool, dry place is recommended.
Contact Shandong Kairui Chemistry Co., Ltd. today to discuss your AEEA Phosphonate requirements:
TEL: +86-632-3671188
E-mail: export@krchemical.com
ADD: No.1, Fuqian South Road, Xuecheng Chemical Industrial Park, Xuecheng District, Zaozhuang City, Shandong Province, China