DTPMP·Na₇ Heptasodium Salt - Advanced scale inhibitor with exceptional barium sulfate prevention. Neutral pH formula for cooling towers, oilfield, and geothermal water treatment.
Product Name: Diethylene Triamine Penta(Methylene Phosphonic Acid) Heptasodium Salt (DTPMP·Na₇)
CAS Number: 22042-96-2 (x-Na); 68155-78-2 (7-Na)
Molecular Formula: C₉H₂₁O₁₅N₃P₅Na₇
Molecular Weight: 727 g/mol
Synonyms: DTPMP heptasodium salt; Anti-scale heptasodium salt

DTPMP·Na₇ is an advanced heptasodium salt formulation of diethylene triamine penta(methylene phosphonic acid), specifically engineered for superior scale inhibition and exceptional chelation performance. This highly effective compound demonstrates remarkable capability in preventing barium sulfate scale formation, making it an ideal solution for challenging water treatment applications. With its neutral pH characteristics and enhanced solubility, DTPMP·Na₇ offers reliable performance across various industrial systems, including cooling water treatment, oilfield operations, and geothermal applications.
Superior Scale Inhibition: Exceptional prevention of barium sulfate and other scale formations
Enhanced Chelation Capacity: Powerful metal ion chelation properties
Neutral pH Formula: Ready-to-use solution with neutral pH characteristics
Multi-Application Compatibility: Suitable for various water treatment scenarios
Environmental Adaptability: Effective in diverse water chemistry conditions
Improved Solubility: Enhanced solubility for easy handling and application
Stabilization Properties: Effective peroxide stabilizer in various applications
Appearance | Reddish brown liquid | Reddish brown liquid |
Active Content (as DTPMPA), % | 31.5-33.5 | 24.0-26.0 |
Active Content (as DTPMP·Na₇), % | 40.0-42.5 | 30.5-33.0 |
Chloride (Cl⁻), % ≤ | 5.0 | 5.0 |
Iron (Fe²⁺), mg/L ≤ | 20.0 | 20.0 |
pH (1% solution) | 7.0-9.0 | 7.0-9.0 |
Density (20°C), g/cm³ ≥ | 1.25 | 1.24-1.34 |
Specifications may vary between production batches. Please refer to the Certificate of Analysis for precise values.
DTPMP·Na₇ is engineered for excellence in diverse industrial applications:
Cooling Water Systems: Scale prevention in industrial cooling towers
Oilfield Operations: Scale control in oilfield water treatment
Geothermal Energy: Underground hot water treatment systems
Detergent Industry: Additive in detergent formulations
Peroxide Stabilization: Effective stabilizer for peroxide applications
Industrial Cleaning: Scale prevention in cleaning applications
Water Treatment: General industrial water treatment applications
Process Systems: Scale inhibition in various industrial processes
DTPMP·Na₇ is designed for easy integration into various treatment systems. The neutral pH formulation allows for straightforward application without requiring additional pH adjustment. Optimal dosage should be determined based on specific water chemistry, system parameters, and scale formation potential through performance testing and monitoring.
Packaging: 30 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
DTPMP·Na₇ is a neutral substance. Standard personal protective equipment should be worn during handling, including safety glasses and gloves. Avoid contact with skin, eyes, and clothing. In case of contact, immediately flush with plenty of water. 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 DTPMP·Na₇ performance in your specific application. Contact us to request a complimentary sample and technical consultation.
Our team of water treatment specialists provides:
Application-specific dosage recommendations
Compatibility testing services
Technical consultation and troubleshooting support
Performance optimization guidance
System integration support
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: DTPMP·Na₇ 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.