
94% Sodium Tripolyphosphate STPP CAS No: 7758-79-4
Sodium tripolyphosphate is fairly stable at room temperature, and will hydrolyze slowly in humid air to form sodium orthophosphate.
The complexing capacity of sodium tripolyphosphate is generally expressed as a calcium value.
Sodium tripolyphosphate aqueous solution is weakly alkaline.
Description
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Description

COA
| Analysis Contents | Analysis Standard | Analysis Result |
| Main content % | ≥95 | 96.5 |
| Phosphorus pentoxide (P2O5) % | ≥57 | 57.3 |
| Water insoluble % | ≤0.05 | 0.02 |
| Iron % | ≤0.01 | 0.006 |
| PH value (1% water solution) | 9.5~10.0 | 9.7 |
| Heavy metal (Pb) | ≤10ppm | 6ppm |
| Arsenic (As) | ≤3ppm | 1ppm |
| Fluoride (F) | ≤10ppm | 5ppm |
| White content % | ≤90.0 | 92.0 |
| Loss on drying % | ≤0.5 | 0.3 |
| Density bulk (g/l) | 600-750 | 700 |
| Conclusion | Complies with the standard of GB25566-2010. | |
| Preferential price | US $800 - 850 / Metric Ton | |
Application

Packing And Delivery

Packed in 25kg bag
Why you choose TNN



With our rich experience and considerate services, we have been recognized as a reliable supplier for 94% Sodium Tripolyphosphate STPP CAS No: 7758-79-4. Our company has formed a complete product system, established a complete modern enterprise system, and continuously expanded the market. We use strong technical force as a supporting platform to serve users with a good, thoughtful and timely corporate image. Our company strengthens the talent reserve and training, and has various professional and technical talents.
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