CAS No.: 8017-16-1
Molecular formula: H6P4O13 Molecular weight: 337.93
Structural Formula:
Properties:
Polyphosphoric acid(PPA) is a clear colorless viscous liquid, deliquescent, soluble in water with hydrolysis to phosphoric acid.
Specification:
| Item |
Index |
|
Industrial grade |
Food grade |
| PPA Assay |
≥115% |
≥116% |
| Assay (P2O5)% |
≥84% |
≥84% |
| Sulphate |
0.01 |
0.002 |
| Glue degree |
35000 |
35000 |
| Colour degree |
50 |
20 |
| Heavy metals with (the Pb allounts) |
≤0.01 |
≤0.003 |
| Fe |
≤0.01 |
≤0.003 |
| As |
≤0.01 |
≤0.005 |
Uses:
Polyphosphoric acid(PPA) used as cyclizing agent and acylating agent in organic synthesis; analytical reagent.
Packing and shipping:
Polyphosphoric acid(PPA) is packed in 30kg plastic pail or 1000L IBC drum.
Polyphosphoric acid(PPA) should be stored in cool, draughty place.
Polyphosphoric acid(PPA) should be seperated from oxidant of inflammable material and should not be mixed with alkaline substance.
Storage & Handling:
Polyphosphoric acid(PPA) is stored in a cool, dry, well-ventilated area away from incompatible substances, Keep away from alkali, toxic or corrosive substances, Handle with care, Wear acid proof protective geat.
Keyword:
Polyphosphoric
acid, PPA,
Orthophosphoric acid
