DTPMP Scale Inhibitor (Diethylenetriamine Penta(methylene phosphonic acid))
CAS Number: 15827-60-8
DTPMP is a high-performance phosphonate sequestrant and scale inhibitor used extensively in oilfield produced water and injection water treatment. With five phosphonate groups, it provides superior chelation of calcium, magnesium, barium, and strontium ions, effectively preventing scale deposition in pipelines and downhole equipment. It is compatible with most oilfield biocides and corrosion inhibitors.
Technical Specifications
| appearance | Light yellow to amber liquid |
| pH (1% solution) | ≤2.0 |
| active content (%) | ≥50 |
| density (g/cm³, 20°C) | ≥1.35 |
| phosphonic acid content (as PO₄³⁻, %) | ≥28 |
Applications
- Oilfield injection water scale inhibition
- Produced water treatment and disposal
- High-hardness brine scale control
- Subsea pipeline scale management
- Industrial cooling water systems
Key Features
- Five phosphonate groups provide superior metal ion chelation
- Effective against sulfate, carbonate, and barium sulfate scales
- Compatible with oilfield biocides and corrosion inhibitors
- Suitable for high-salinity and high-temperature environments
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