EDTMPA/Ethylene Diamine Tetra (Methylene Phosphonic Acid)
EDTMPA is a highly effective water treatment agent with exceptional scale and corrosion inhibition capabilities.
Ethylene Diamine Tetra (Methylene Phosphonic Acid)
- CAS Number: 1429-50-1
- EINECS NO.: 215-928-8
- Molecular Formula: C₆H₂₀N₂O₁₂P₄
- Molecular Weight: 436.13
- Purity (%): 91%, 95%, 96%
- Appearance: White crystalline powder
- Packing: 25KGS/BAG
- Other Name: EDTMPA; EDTMP; EDTPO; Ethylene Diamine Tetra (Methylene Phosphonic Acid)
- Product Type: Organic phosphonate / scale and corrosion inhibitor
EDTMPA Specification
| ITEMS | SPECIFICATIONS |
| Active acid (as EDTMPA)%≥ | 91.0 min |
| PH (1% Water Solution) | ≤2 |
| Organophosphorus compounds. | ≥78 |
| Fe ppm | ≤5 |
| Chlorides(As Cl-) % | ≤0.1 |
| ITEMS | SPECIFICATIONS |
| Active acid (as EDTMPA)%≥ | 95.0 min |
| PH (1% Water Solution) | ≤2 |
| Organophosphorus compounds. | ≥82 |
| Fe ppm | ≤5 |
| Chlorides(As Cl-) % | ≤0.1 |
EDTMPA for Sale
EDTMPA is an organic phosphonate with scale-inhibition, corrosion-inhibition and metal-chelating properties. In water treatment systems, it helps interfere with mineral crystal formation and control the deposition of sparingly soluble salts on metal surfaces.
It is particularly relevant to applications where sulfate scaling is a concern. Research on phosphonate scale inhibitors has evaluated EDTMPA for calcium sulfate and barium sulfate inhibition under different water chemistry and operating conditions.
Superior Corrosion Protection: It acts as an excellent cathodic corrosion inhibitor. Its inhibition rate is 3-5 times higher than traditional inorganic phosphates, offering stronger protection for metal systems.
Effective Scale Prevention: It effectively inhibits the formation of tough scales like calcium sulfate and barium sulfate in water systems.
High-Temperature Stability: It maintains stable performance even at very high temperatures (above 200°C), ensuring reliability in demanding conditions.
Powerful Chelation: It strongly chelates metal ions (especially copper), helping to control scaling and improve water quality.
Versatile Industrial Use: It is widely applied in industrial cooling water, boiler water, and as a non-cyanide complexing agent in electroplating.
What is EDTMPA Used for
Industrial Water Treatment: EDTMPA is used as a scale and corrosion inhibitor in industrial water treatment formulations. It helps control mineral deposits and protect metal equipment in demanding water systems.
Cooling Water Systems: EDTMPA can be used in circulating cooling water treatment to help control scale formation and reduce corrosion on metal surfaces. Its chelating properties also help manage dissolved metal ions.
Boiler Water Treatment: EDTMPA is used in boiler water treatment formulations where scale control and corrosion protection are required. It can help reduce mineral deposition on heat-transfer surfaces.
Oil & Gas Applications: EDTMPA can be used as a phosphonate-based scale inhibitor in oilfield production and water-injection systems, particularly where sulfate scale such as calcium sulfate or barium sulfate is a concern. Phosphonate inhibitors are widely studied for sulfate-scale control in oilfield environments.
- Metal Treatment & Chelation: Because of its strong metal-ion chelating ability, EDTMPA can be used in metal-treatment, cleaning and industrial formulations where control of metal ions is required.
EDTMPA vs EDTMPS
| Feature | EDTMPA | EDTMPS |
|---|---|---|
| Product form | Solid / crystalline powder | Sodium salt |
| CAS No. | 1429-50-1 | 22036-77-7 |
| Main form | Acid form | Sodium salt |
| Typical appearance | White crystalline powder | Liquid sodium salt |
| Solubility | Limited in water | Highly water soluble |
| Typical use | Chelation, scale & corrosion inhibition | Water treatment, scale & corrosion inhibition |
FAQ of EDTMPA
EDTMPA is mainly used as a scale inhibitor, corrosion inhibitor and metal-ion chelating agent in industrial water treatment, cooling water, boiler water and other industrial applications.
No. EDTMPA is the acid form with CAS No. 1429-50-1, while EDTMPS is a sodium salt with CAS No. 22036-77-7. They have different chemical forms and solubility characteristics.
When stored in a cool, dry place in its original sealed package, it typically has a long shelf life of several years.
We provide full documentation: Commercial Invoice, Packing List, MSDS, and a Certificate of Analysis (CoA) for each batch.
Yes, we offer flexible packaging options (e.g., 25kg bags) and can discuss custom requirements to suit your logistics.
EDTMPA is packaged in 25KGS/BAG, or as per customer requirements.
EDTMPA is a solid phosphonate product that should be stored in a cool, dry and well-ventilated place. Keep the packaging tightly closed and protect the product from moisture and contamination. Store according to the conditions specified in the product SDS and technical documentation.
EDTMPA Suppliers - HOO CHEMTEC
HOOCHEMTEC: Your Expert Partner for High-Performance EDTMPA
We are your reliable manufacturer and supplier of EDTMPA, a high-efficacy corrosion and scale inhibitor trusted in demanding water treatment and industrial applications.
Our Product & Quality Assurance:
We produce EDTMPA that delivers strong, stable performance even at high temperatures (>200°C). Our stringent in-house quality control ensures every batch meets precise specifications for consistent results.
Safety & Compliance Expertise:
We handle all complexities for you. EDTMPA is classified as an irritant (Xi, Category 36/37/38). We provide the complete professional documentation required for safe handling and global shipping, including the MSDS (Safety Data Sheet), dangerous goods transport certification, and a full Certificate of Analysis (CoA).
Reliable Partnership:
Our commitment extends to dependable supply, secure packaging, and clear communication. Our technical team is ready to support your specific application needs.
Contact us for a reliable supply of high-quality EDTMPA, backed by full regulatory compliance and expert support.
