polyphosphoric acid is a Inorganic Acids product. Key specs — Origin: China.
Product Description
Clear colorless viscous liquid, deliquescent, soluble in water with hydrolysis to phosphoric acid.
Use
PPA is widely used in industries including medicine, aromatics, leather, chemical industry, etc.. It is used as cyclizing agent, acidifier and dehydrant in organic synthesis. It can also be used as the substitute for orthophosphoric acid.
Packing
In IBCdrums.
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Specifications of Polyphosphoric Acid | |||||
No | Items of Analysis | Unit | 95% PPA | 105% PPA | 115% PPA |
1 | PPA | Apha | ≥95 | ≥105 | ≥115 |
2 | P2O5 | % | ≥68.5 | ≥76 | ≥83.3 |
3 | Chloride as Cl | % | ≤0.0005 | ≤0.0005 | ≤0.0005 |
4 | SO4 | % | ≤0.005 | ≤0.005 | ≤0.005 |
5 | Iron as Fe | % | ≤0.002 | ≤0.002 | ≤0.002 |
6 | Arsenic as As | % | ≤0.0001 | ≤0.004 | ≤0.004 |
7 | Heavy metal | % | ≤0.0005 | ≤0.003 | ≤0.003 |
8 | Fluoride as F | % | ≤0.0005 | ≤0.0005 | ≤0.0005 |
9 | Color | % | ≤30 | ≤30 | ≤40 |
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