1. Name: Polyphosphoric acid
2. Molecular formula:H6P4O13
3. Molecular weight:337.93
4. CAS No.: 8017-16-1
5. Use: Cyclization and acylation agent in organic synthesis, synthesis of phosphate and asphalt modifier
6. Specification and indicators:
Indicator | Specification |
Appearance | Clear colorless viscous liquid |
Chloride | ≤ 0.001% | ≤0.001% | ≤ 0.001% |
Sulfate | ≤0.02% | ≤0.02% | ≤ 0.02% |
Heavy metal | ≤25ppm | ≤25ppm | ≤ 25ppm |
Iron | ≤35ppm | ≤35ppm | ≤ 35ppm |
Arsenic | ≤50ppm | ≤50ppm | ≤ 50ppm |
Content( H3PO4) | ≥117% | ≥116% | ≥105% |
Content(P2O5) | ≥85% | ≥84% | ≥76% |
7. Packing:ISO-TANK, IBC, Plastic drums as required by client
8. Support: Quality document for cGMP
Technical support for asphalt modification