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Diethylenetriamine Pentamethylene Phosphonic Acid (DTPMP) is a widely used organic phosphonic acid compound in water treatment applications. It is a highly effective sequestrant, chelating agent, and scale inhibitor. DTPMP is known for its exceptional ability to control scale formation and prevent the deposition of various metal ions in water systems.
DTPMP exhibits excellent stability over a wide range of pH levels and temperatures, making it suitable for diverse water treatment applications. It effectively sequesters metal ions such as calcium, magnesium, and iron, preventing their precipitation and subsequent formation of scales. This helps maintain the efficiency and performance of industrial water systems, boilers, cooling towers, and RO membranes.
| Property | Specification |
|---|---|
| CAS Number | 15827-60-8 |
| Chemical Formula | C9H28N3O15P5 |
| Appearance | Colorless to pale yellow liquid |
| Active Ingredient Content | ≥ 45% |
| pH (1% aqueous solution) | 2.0-3.0 |
| Density (at 20°C) | 1.35-1.45 g/cm3 |
| Solubility in Water | Completely Soluble |
| Chloride Content (as Cl) | ≤ 5.0% |
| Iron Content (as Fe) | ≤ 20 ppm |
| Phosphorous Acid Content (as H3PO3) | ≤ 2.0% |
| Phosphoric Acid Content (as H3PO4) | ≤ 0.8% |