EDTMPS/Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium
EDTMPS Chemical - Versatile chelating agent for scale and corrosion inhibition.
Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium
- CAS Number: 1429-50-1
- EINECS NO.: 215-836-3
- Molecular Formula: C6H12O12N2P4Na8C
- Purity (%): 30%min
- Appearance: yellow liquid
- Package: such as plastic or HDPE containers, drums
- Other Name: Ethylenediamine tetra(methylenephosphonic acid) pentasodium salt, Ethylenediamine tetramethylene phosphonic acid sodium
EDTMPS Specification
| ITEMS | SPECIFICATIONS |
| Active component (EDTMPS)% | 30.0min |
| Organic phosphonic acid (asPO43- )% | 10.0min |
| Phosphorous acid (as PO33-)% | 5.0max |
| Phosphoric acid (asPO43- )% | 1.0max |
| pH (1% water solution) | 9.5-10.5 |
| Density (20℃) g/cm3 | 1.25min |
| Chloride (Cl-) % | 3.0max |
EDTMPS for Sale
Main Advantages
- Instantaneous & Complete Solubility: Unlike the acidic EDTMPA, the sodium salt dissolves rapidly in water across a wide pH range, enabling quick formulation and injection without pre-dissolution challenges.
- High-Temperature Resilience: Maintains structural integrity and functionality in boiler systems and oilfield reservoirs where temperatures can exceed 150°C.
- Powerful Synergist: Its performance is significantly enhanced when blended with polymers (like polyacrylic acids), zinc salts, or other phosphonates, creating cost-effective, tailored treatment programs.
- “Threshold Effect” Efficiency: Even at very low concentrations (sub-ppm), it provides incredible scale inhibition, preventing scale nucleation and growth economically.
What is EDTMPS Used for
- Circulating Cooling Water: It is the “gold standard” for scale and corrosion inhibition in power plants and oil refineries.
- Detergent & Cleaning: Used in industrial-strength detergents to sequester “hard water” ions (Calcium and Magnesium), preventing graying of fabrics or spotting on glass.
- Paper & Pulp: Prevents scale buildup on paper machines and improves the brightness of paper by sequestering metal ions that cause discoloration.
- Non-Cyanide Electroplating: A huge selling point in modern manufacturing; it acts as a complexing agent to replace toxic cyanide in plating baths.
What is EDTMPS Used for
The core difference is solubility and handling. EDTMPA is the acidic form with limited water solubility, often requiring pH adjustment before use. EDTMPS is the sodium salt, designed for immediate and complete solubility in water.
Yes. One of the standout properties of EDTMPS is its excellent thermal stability. It maintains its scale inhibition and chelating efficiency even at temperatures up to 200°C. This makes it far superior to traditional chelating agents like EDTA in high-pressure boilers, thermal power plants, and steam-injection oil recovery.
EDTMPS is considered an eco-friendly choice in the phosphonate family. It is non-toxic, innocuous, and does not cause significant environmental pollution when used at recommended dosages. Furthermore, it is a nitrogen-containing organic polyphosphonic acid, which offers better biodegradability profiles in certain industrial wastewater treatments compared to older inorganic polyphosphates.
For standard circulating cooling water systems, the typical dosage of EDTMPS is 2–10 mg/L. However, for specialized applications like cyanide-free electroplating or as an oxygen bleaching stabilizer in the textile industry, the concentration may vary. It is often used in a 1:3 ratio with chemicals like HPMA for low-pressure boiler treatments to maximize synergistic effects.
This product is typically supplied in plastic or HDPE containers and drums, with specific packaging options adjustable to meet customer requirements.
Store in a cool, dry, and well-ventilated place, keep the container tightly sealed, and protect from direct sunlight, extreme temperatures, and moisture. It should be stored away from strong oxidizers.
EDTMPS Chemical Suppliers
HOOCHEMTEC: Your Trusted Partner for High-Performance EDTMPS Solutions
We specialize in supplying high-purity Ethylenediamine Tetra(methylene Phosphonic Acid) Sodium Salt (EDTMPS), a cornerstone organophosphonate compound for advanced water treatment and industrial process control. Our products are engineered for maximum scale inhibition and chelation performance across demanding applications.
Why Choose HOOCHEMTEC for Your EDTMPS Supply:
Quality & Consistency Guaranteed: We adhere to stringent production and QC protocols, ensuring every batch delivers the consistent active content, purity, and performance you rely on for stable system operation.
Technical Expertise & Support: Our team provides more than just product. We offer actionable technical guidance on dosage optimization, compatibility assessment, and application best practices to maximize your return on investment.
Reliable, Partnership-Focused Supply: We understand the criticality of your operations. We are committed to building long-term partnerships with you, contributing to your long-term success through reliable logistics, rapid response services, and tailored solutions.
