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| Tetra Potassium Pyrophosphate (TKPP) |
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Molecular formula: K4P2O7
Molecular weight: 330.34
CAS NO:7320-34-5
Properties:
Anhydrous tetra potassium phosphate is in white powder. Relative density 2.3534 and melting point 1109℃; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25℃,its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.
Uses :
It mainly applied to electroplating without cyanate, industrial or household detergents; It can used as a buffering reagent as well as stabilizer for hydrogen peroxide; It can also be used as dispersion agent for ceramic, clay, latex and pigments etc.
Packing and storage:
I Packed in 25 Kg, 50 Kg or 1000 Kg net bags. It must be stored in places well ventilated and dry.1FCL=24MT
Guaranteed Technical Specifications:
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Indexes |
Super Grade |
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Food Grade |
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Appearance |
White powder or lumps |
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Assay% ≥ |
98.0 |
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98.0 |
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Iron(Fe) % ≤ |
0.03 |
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0.03 |
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Water insoluble matter % ≤ |
0.1 |
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0.1 |
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Heavy Metals(as Pb)% ≤ |
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0.001 |
| Arsenic(As)% ≤ |
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0.0003 |
| PH Value |
10.0-10.7 |
| Ortho Phosphate |
Pass test |
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