Ethylene Diamine Tetra (Methylene Phosphonic Acid), commonly known as EDTMPA (Solid), is a high-performance organophosphorus chelating agent designed for industrial applications. Appearing as a white crystalline powder, this specialty chemical is engineered for superior metal ion sequestration, offering exceptional stability and efficiency in complex chemical environments.
Distinguished by its strong chelating capacity—surpassing that of EDTA for copper ions—EDTMPA is an indispensable reagent in high-precision industries. Its non-toxic nature and high purity make it the ideal choice for semiconductor chip cleaning in the electronics sector and as a critical carrier for radioactive elements in pharmaceutical diagnostics and treatments.
Detailed Parameters
| CAS No. | 1429-50-1 | Molecular Formula | C6H20 N2O12P4 |
|---|---|---|---|
| Molecular Weight | 436.13 | Appearance | White crystal powder |
| Active Acid | 96.0% min | Total Phosphonic Acid | 82.0% min (as PO4 3-) |
| Chloride (Cl-) | 0.1% max | Moisture | 2.0% max |
| Iron (Fe) | 5 mg/L max | pH (1% Solution) | 2.0 max |
Key Advantages
Superior Chelating Power
Exhibits a chelating constant with copper ions that exceeds that of standard EDTA, ensuring maximum metal ion removal.
High Chemical Purity
Available in standard grade or specialized 99% chromatograph purity to meet the most stringent industrial requirements.
Electronics Grade
Optimized as a high-efficiency cleaning agent for integrated circuit semiconductor chips to ensure zero residue.
Pharmaceutical Safety
A high-purity, non-toxic reagent suitable for use as a carrier for radioactive elements in medical disease treatment.
Stable Storage
Maintains chemical integrity for up to ten months when stored in cool, indoor environments in specialized packaging.
Customizable Formats
Flexible packaging options starting from 25kg plastic barrels, adjustable to meet specific user operational needs.
Product Gallery
Management Platforms
Quality Control
Rigorous testing for active acid and moisture content to ensure every batch meets global chemical standards.
Precision Production
Advanced manufacturing processes allowing for custom 99% high-purity production based on client demand.
Safety Protocols
Strict adherence to labor protection guidelines to manage the weakly alkaline nature of the product.
Logistics Logistics
Secure plastic barrel packaging designed to prevent contamination and ensure safe long-distance transport.
Inventory Systems
Optimized indoor storage management to maintain a 10-month shelf life without quality degradation.
Tech Support
Expert guidance on solubility and ammonia dissolution for maximizing EDTMPA efficiency in your process.
Investment Return Comparison
| Performance Metric | Standard EDTA | EDTMPA (Solid) |
|---|---|---|
| Cu Ion Chelating Ability | High | Ultra-High |
| Industrial Purity | Standard | Up to 99% |
| Semiconductor Suitability | Low | Excellent |
| Pharmaceutical Utility | General | Specialized Carrier |
| Active Acid Content | Variable | 96.0% Min |
Frequently Asked Questions
In the electronics industry, EDTMPA is primarily used as a high-purity cleaning agent for semiconductor chips of integrated circuits, effectively removing metal impurities without damaging the substrate.
EDTMPA is a white crystal powder that is hard to dissolve in water (solubility is less than 5% at room temperature) but dissolves easily in ammonia.
Yes, due to its non-toxic properties and high purity, it is utilized in the pharmaceutical industry as a carrier for radioactive elements used in the detection and treatment of diseases.
It should be stored in a cool place indoors. The recommended storage period is ten months to ensure the product maintains its technical specifications.
EDTMPA is weakly alkaline. Operators should use appropriate labor protection and avoid contact with skin and eyes. In case of contact, rinse immediately with plenty of water.
Yes, we can produce 99% chromatograph purity and other high-purity specifications upon the specific request of our clients.




