CAS · 20592-85-2
Product Overview
Sodium aminotris(methylenephosphonate) is a high-purity water-treatments supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance: | Colorless to pale yellow transparent liquid |
|---|---|
| Active ingredient (as acid): | 30% min |
| Active ingredient (as salt): | 38.8% min |
| pH (1%): | 6.0–8.0 |
| Iron ion: | 10 ppm max |
| Density (20℃): | 1.35–1.45 g/cm³ |
Applications
1. Water Treatment
Widely used in industrial circulating water systems, boiler water treatment, and oilfield injection water as a scale inhibitor and corrosion inhibitor.
Inhibits deposition of calcium carbonate, calcium sulfate, and barium sulfate.
Effective over a broad pH range (1–14) and at elevated temperatures.
2. Detergent and Cleaning Formulations
Functions as a chelating agent to bind calcium and magnesium ions, improving the effectiveness of cleaners and detergents in hard water.
Prevents scale formation on equipment and surfaces during cleaning.
3. Textile and Dyeing
Used to chelate metal ions that interfere with dye performance and to prevent scaling in dyeing machinery.
Helps maintain consistency and color fastness.
4. Oil and Gas Industry
Applied in secondary oil recovery and drilling operations to prevent scale formation in downhole and surface equipment.
5. Paper and Pulp Industry
Used to control scaling in pulp digesters and paper machine systems, enhancing operational efficiency.
Benefits
Excellent Chelating Power: Strong binding affinity for calcium, iron, and other metal ions.
Superior Scale Inhibition: Inhibits scale even under high pH and temperature conditions.
Corrosion Resistance: Provides mild protection for metal surfaces by forming protective films.
Thermal and Hydrolytic Stability: Remains effective in demanding operational conditions.
Low Toxicity and Biodegradability: Relatively environmentally compatible compared to other phosphates or polyphosphates.
Compatible with Other Agents: Works synergistically with polycarboxylates, zinc salts, and azoles.
Conclusion
Sodium aminotris(methylenephosphonate) (ATMP-Na, CAS 20592-85-2) is a high-performance scale inhibitor and chelating agent, widely used in water treatment, oilfield operations, detergents, textiles, and pulp & paper industries. It excels in preventing scale formation and corrosion in high-pH and high-temperature environments. With its strong complexing ability, broad pH tolerance, and chemical stability, ATMP-Na is a vital component in modern industrial water management systems.
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