Diethylene Triamine Penta (Methylene Phosphonic Acid), commonly known as DTPMPA, is a high-performance organophosphine agent engineered for superior scale inhibition and corrosion protection. It is an innocuous, water-soluble liquid that excels in preventing the formation of carbonate, sulfate, and phosphate scales, making it an essential component for industrial water treatment systems.
Specifically designed for challenging environments, DTPMPA demonstrates exceptional thermal stability and efficiency in high-temperature (above 210°C) and alkaline conditions. Its versatility extends beyond water treatment to applications in the textile, papermaking, and cosmetics industries, where it serves as a powerful chelating agent and stabilizer.
Detailed Parameters
| CAS No. | 15827-60-8 | Molecular Formula | C9H28O15N3P5 |
|---|---|---|---|
| Molecular Weight | 573.2 | Appearance | Brown transparent liquid |
| Active Acid (%) | 50.0 | Chloride (as Cl- %) | 12-17 |
| Density (20℃) | 1.35-1.45 g/cm3 | pH (1% Solution) | 2.0 max |
| Iron (Fe) | 35 mg/L max | Storage Life | 12 Months |
Key Advantages
Superior Scale Inhibition
Effectively prevents the deposition of calcium carbonate, barium sulfate, and phosphate scales in industrial systems.
High Thermal Tolerance
Maintains stable performance and efficacy even in extreme temperatures exceeding 210°C.
Alkaline Stability
Outperforms other organophosphines in highly alkaline environments without requiring pH adjustment.
Strong Chelating Power
Excellent capacity to sequester metal ions, acting as an efficient peroxide stabilizer and chelating agent.
Wide Applicability
Suitable for boiler water, oilfield refill water, electroplating, and concrete modification.
Low Sedimentation
Capable of maintaining clean surfaces with minimal sediment even when used without additional dispersants.
Product Gallery
Management Platforms
Bulk Packaging
Available in 200L plastic drums and 1000L IBC tanks to suit various industrial scales.
Custom Specification
Flexible packaging and purity adjustments based on specific customer technical requirements.
Safety Compliance
Strict adherence to acidic substance handling protocols to ensure safe transport and usage.
Storage Optimization
Guaranteed 12-month shelf life when stored in dry, shady, and well-ventilated environments.
Logistic Support
Global supply chain management ensuring timely delivery of specialized chemical products.
Quality Control
Rigorous testing of active acid content and impurity levels to maintain consistent quality.
Investment Return Comparison
| Performance Metric | Standard Phosphonates | DTPMPA Solution |
|---|---|---|
| Thermal Stability | Moderate ( | Excellent (> 210°C) |
| Alkaline Performance | Requires pH Adjustment | Highly Stable/No Adjustment |
| Scale Inhibition Range | Basic Carbonates | Carbonate, Sulfate, Phosphate |
| Maintenance Cost | Frequent Descaling | Extended System Life |
| Dispersant Need | Required for Efficiency | Minimal to No Dispersant |
Frequently Asked Questions
DTPMPA possesses a unique molecular structure that provides superior thermal tolerance, remaining effective above 210°C where other organophosphines typically degrade.
Yes, DTPMPA is specifically designed for alkaline circulating cool water systems and provides excellent scale and corrosion inhibition without the need for additional pH regulation.
It is widely used in the textile industry (weaving and dyeing), papermaking, electroplating, cosmetics, and as a concrete modifier or fertilizer microelement carrier.
It should be stored in a shady, dry room for up to twelve months. Ensure the containers are tightly sealed to avoid contamination.
Since DTPMPA is acidic, operators should use proper labor protection. Avoid contact with skin and eyes; if contact occurs, rinse immediately with plenty of water.
One of the key advantages of DTPMPA is that when used alone, very little scale sediment is found, often eliminating the need for additional dispersants.
