Polyphosphoric acid PPA 8017-16-1
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Polyphosphoric acid,PPA
Product Information
Product Name | Polyphosphoric acid |
Synonyms | Polyphosphoric acids;PPA |
Molecular Formula | H6P4O13 |
Molecular Weight | 337.93 |
CAS Registry Number | 8017-16-1 |
EINECS | 232-417-0 |
Density | 2.06 |
Melting point | 16℃ |
Boiling point | 300℃ |
Water solubility | MAY DECOMPOSE |
Specifications
No. |
Items of Analysis |
Unit |
95% PPA |
105% PPA |
115% PPA |
1 |
PPA |
% |
≥95.0 |
≥105.0 |
≥115.0 |
2 |
P2O5 |
% |
≥68.5 |
≥76.0 |
≥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 as Pb |
% |
≤0.0005 |
≤0.003 |
≤0.003 |
8 |
Fluoride as F |
% |
≤0.0005 |
≤0.0005 |
≤0.0005 |
9 |
Color |
Apha |
≤30 |
≤30 |
≤40 |
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.
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