Chelating agent Series
DTPA-5Na Liquid
【Product name】DTPA-5Na Liquid
【Synonym】Pentasodium DTPA
【Molecular Formula】C14H18N3O10·5Na
【Molecular Wight】503.25
【CAS No】140-01-2
【Property】Yellow or Yellowish Clarified Liquid
Details
Specifications
DTPA-5NA 40%:
| Test Item | Standard Specification （25℃） |
| Purity | 40.00% Min. |
| Specific gravity (g/ml 25℃) | 1.25-1.35 |
| PH(1% solution) | 11.0-12.5 |
| Chelate Value (mgCaCO3/g) | 80 Min. |
| Appearance | Yellow or Yellowish Clarified Liquid |
DTPA-5NA 50%:
| Test Item | Standard Specification （25℃） |
| Purity | 50.00% Min. |
| Specific gravity (g/ml 25℃) | 1.30-1.40 |
| PH(1% solution) | 11.0-12.5 |
| Chelate Value (mgCaCO3/g) | 99 Min. |
| Appearance | Yellow or Yellowish Clarified Liquid |
Packing And Storage
1. Packing: 250kg drum,1250kg IBC tote, or according to the customers' demand.
2. Storage: Keep containers closed and dry. Isolate from incompatible materials such as strong oxidizing agents. Store in PVC, PE, stainless steel or bituminized tanks. Avoid contact with aluminum, copper, copper alloys, nickel and zinc.
Applications
Recommended when a stronger chelating agent is needed, such as during peroxide bleaching of pulp. It remains more effective under oxidizing conditions. It is also especially suitable for descaling in oilfield applications.
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