Buffer Antioxidant Synergist CAS 7778 53 2 K3PO4 TKP Powder
98%Min 7778-53-2 K3PO4 TKP For Buffer Antioxidant Synergist And Chelating Agent
Tripotassium phosphate is calcined at high temperature. It is white powder or granular at room temperature. It is hygroscopic, easily soluble in water, insoluble in alcohol, and highly corrosive. The aqueous solution reacts with alkali. The pH value of a 1% aqueous solution is 11.8. 1340℃, the relative density of 2.564.
Nature and stability
1. It will not decompose if used and stored according to specifications.
2. Avoid contact with oxides, moisture/humidity. It is soluble in water but insoluble in alcohol. The aqueous solution is strongly alkaline. It is highly corrosive. Strong hygroscopicity.
| Specification | Unit | Guaranteed | Test Result |
| Appearance | white powder | white powder | |
|
Main Contents (K3PO4) |
% | ≥97.0 | 97.0-98.0 |
| PH (10g/L solution) | 11.5-12.5 | 11.5-12.5 | |
| Arsenic(As) | mg/kg | ≤3 | 3 |
| Fluoride(F) | mg/kg | ≤10 | 10 |
| Heavy metals(as Pb) | mg/kg | ≤10 | 10 |
| Pb | mg/kg | ≤2 | 2 |
| Water-insolubl | w/% | ≤0.2 | 0.2 |
| Loss on dry | w/% | ≤5.0 | 2.0 |
| Granularity | Mesh |
Depend on customers’ request 10mesh-100mesh |
|
| Apparent density | mg/mm3 | 0.5-0.9 |
Used in the manufacture of liquid soap, refined gasoline, high-quality paper, metal surface treatment, biological hydration treatment, phosphorus and potassium fertilizer. It can also be used as boiler water softener, high-efficiency liquid compound fertilizer and auxiliary agent for recovering sulfur from acid gas in synthetic rubber production.
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Quantity(Metric Tons) 1 - 20 >20 Est. Time(days) 15 To be negotiated
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