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EDTMPA / Ethylene Diamine Tetra (Methylene Phosphonic Acid)

Formula C6H12O12N2P4
Molecular Weight 436.124
CAS No. 1429-50-1
EC No. 215-851-15
Synonyms Ethylenediamine Tetramethylenephosphonic acid; Hylene Diamine Tetra(Methylene Phosphonic Acid)


Ethylene Diamine Tetra (Methylene Phosphonic Acid), or EDTMPA, is a chemical compound that belongs to the derivate of phosphonic acids. It is generally used as a chelating agent, which means it forms strong complexes with metallic ions. The capacity of EDTMPA to bind to metallic ions makes it useful in numerous industrial programs, especially in water treatment.


Primarily used as a chelating agent, it paperwork stable complexes with metal ions, making it precious in water treatment. In cooling water structures and boilers, EDTMPA serves as a scale and corrosion inhibitor, stopping the precipitation of scale-forming salts and inhibiting corrosion by way of forming stable complexes with metal ions. The detergent industry includes EDTMPA to sequester metallic ions that could impede the cleansing method, whilst inside the oilfield sector, it allows manipulation of scale formation and corrosion in the drilling and production system. Additionally, the textile enterprise makes use of EDTMPA to manage steel ions during the dyeing methods.


UniVOOK Chemical’s Ethylene Diamine Tetra (Methylene Phosphonic Acid) is a notable chelating agent that exemplifies precision in water treatment and industry applications.


Features: EDTMPA / Ethylene Diamine Tetra (Methylene Phosphonic Acid)

  • Optimized Performance: UniVOOK Chemical’s Ethylene Diamine Tetra (Methylene Phosphonic Acid) is engineered for optimized performance, making sure green and constant effects across a huge variety of packages. Its superior components maximize the effectiveness of chelation and inhibition strategies.
  • Stability in Extreme Conditions: This product famous for stability even in hard situations, making it suitable for use in environments with varying temperatures, pressures, and water compositions. Its strong nature allows for dependable performance under diverse business settings.
  • Environmental Compatibility: UniVOOK Chemical is committed to environmental obligation. Our Ethylene Diamine Tetra (Methylene Phosphonic Acid) is formulated with environmental considerations, promoting responsible use while preserving high efficacy in water treatment and business tactics.
  • Low Environmental Impact: Designed with sustainability in thoughts, UniVOOK Chemical’s Ethylene Diamine Tetra (Methylene Phosphonic Acid) demonstrates a low environmental effect. Its formula pursuits to balance commercial necessities with ecological obligation, contributing to environmentally aware practices.
  • Extended Equipment Lifespan: By efficaciously inhibiting scale formation and corrosion, our EDTMPA contributes to the prolonged lifespan of business gadget, reducing the frequency of preservation and improving average operational performance.


Find our related product EDTMPS / Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium salt

Appearance: white crystalline powder
pH(1%, sol.): 2.0max
Active Contentby EDTMPA, Wt%: 96.0-99.0
Phosphonic acid(by  PO43-,%): 82.0min
Chlrideby Cl- Wt%: 0.1max
Fe Content(by Fe)mg·L-1: 5.0max
Storage Stability: 10 months; Stable stored in room temperature;
mark EDTMP exhibits limited solubility in water, with a solubility of less than 5% at room temperature. Conversely, it readily dissolves in ammonia.
mark EDTMPA possesses a robust capability for chelating metal ions, is non-toxic, and high-purity electronic-grade variants are suitable for deployment as cleaning agents during the manufacturing process of integrated circuits, particularly for semiconductor chip cleaning.
mark In the pharmaceutical industry, EDTMPA serves as a carrier for radioactive elements, facilitating their use in the inspection and treatment of diseases. This application involves utilizing EDTMPA to safely transport and deliver radioactive materials for medical purposes, such as diagnostic imaging and therapeutic treatments.
Shelf Life

Under proper storage conditions, the shelf life is 12 months

Health & Safety

For more details and safety recommendations regarding the use of the product, please consult our Material Safety Data Sheet (MSDS), or Contact With our Product Manager.


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