ATMP·Na₅ Pentasodium Salt - Cost-effective scale inhibitor for water treatment applications. Excellent calcium carbonate prevention and corrosion inhibition for industrial systems.
Product Name: Amino Trimethylene Phosphonic Acid Pentasodium Salt (ATMP·Na₅)
CAS Number: 2235-43-0 (5-Na); 20592-85-2 (x-Na)
Molecular Formula: C₃H₇NO₉P₃Na₅
Synonyms: Amino tris(methylenephosphonic acid) pentasodium salt; Pentasodium hydrogen nitrilotris(methylphosphonate)
ATMP·Na₅ is a sodium salt solution of Amino Trimethylene Phosphonic Acid (ATMP), specifically formulated to prevent the formation of scale-forming salts in water systems, with particular efficacy against calcium carbonate scale. This cost-effective scale inhibitor demonstrates excellent corrosion inhibition properties for metals and shows good compatibility with zinc salts and phosphates. Its strong chelating capabilities make it an ideal choice for various industrial water treatment applications where reliable scale prevention and metal protection are required.

Effective Scale Prevention: Superior inhibition of calcium carbonate and other scale formations
Cost-Effective Solution: Excellent performance at competitive pricing
Metal Corrosion Inhibition: Provides reliable protection for metal surfaces
Enhanced Compatibility: Works effectively with zinc salts and phosphate-based treatments
Strong Chelating Properties: Excellent metal ion sequestration capabilities
Alkaline Formulation: Maintains system pH stability while providing treatment
Multi-System Application: Suitable for diverse water treatment scenarios
| Parameter | Specification |
|---|---|
| Appearance | Colorless to pale yellow clear liquid |
| Active Content (as ATMP), % | ≥ 28.0 |
| Active Content (as ATMP·Na₄), % | ≥ 38.3 |
| pH (1% aqueous solution) | 10.0-11.0 |
| Iron (Fe), mg/L | ≤ 10.0 |
| Density (20°C), g/cm³ | 1.35-1.48 |
| Chloride (as Cl⁻), % | ≤ 1.0 |
Specifications may vary between production batches. Please refer to the Certificate of Analysis for precise values.
ATMP·Na₅ is engineered for excellence in various water treatment applications:
Boiler Water Treatment: Scale and corrosion inhibition in boiler systems
Oilfield Operations: Reinjection water treatment and scale control
Industrial Water Systems: Cooling water treatment in manufacturing facilities
Municipal Water Treatment: Clean water treatment applications
Circulating Water Systems: Scale prevention in recirculating water systems
General Water Treatment: Broad-spectrum water treatment applications
ATMP·Na₅ is typically compounded with other organic phosphonic acids, polycarboxylic acids, or salts to form comprehensive organic alkaline water treatment formulations. The product is designed for use in circulating cooling water systems under various water quality conditions. Optimal dosage should be determined based on specific system parameters and water chemistry through performance testing.
Packaging: 25 kg and 250 kg plastic drums
Custom Packaging: Available upon request
Storage: Store in cool, dry, well-ventilated area in original sealed containers
Shelf Life: 12 months from production date when stored under recommended conditions
Handling: Protect from freezing and extreme temperatures
ATMP·Na₅ is a weakly alkaline substance. Appropriate personal protective equipment should be worn during handling, including chemical-resistant gloves and safety glasses. Avoid contact with skin, eyes, and clothing. In case of contact, immediately flush with plenty of water and seek medical attention if necessary. For comprehensive safety information, consult the Safety Data Sheet (SDS).
[📄 Safety Data Sheet (SDS)]
[📄 Technical Data Sheet (TDS)]
[📋 Certificate of Analysis (COA)]
Contact our technical team to request complete documentation package
Evaluate ATMP·Na₅ performance in your specific application. Contact us to request a complimentary sample and technical consultation.
Our team of water treatment specialists provides:
Customized formulation recommendations
Application-specific dosage guidance
Compatibility testing services
Technical consultation and troubleshooting support
Performance optimization services
Quality Assurance: All products undergo rigorous quality control testing to ensure consistent performance and reliability. Each batch is accompanied by a Certificate of Analysis guaranteeing specification compliance.
Regulatory Compliance: ATMP·Na₅ meets international standards for water treatment chemicals and environmental regulations.
Disclaimer: The information provided is based on current knowledge and believed to be accurate. Users should conduct appropriate testing to determine suitability for specific applications. All products are supplied subject to our standard terms and conditions of sale.