1.Polyphosphoric acid:Polyphosphoric acid, short name:PPA.
2.Molecular formula:H6P4O13
3.Molecular weight:337.93
4.CAS No.: 8017-16-1
5.Use:Cyclization in organic synthesis as agent and acylating agent, a substitute for phosphate.
6.IMDG classification and No.:GB8.1 grade 815052.Original iron rules: two inorganic acid corrosive goods
，93007
7.Dangerous property:Non-combustible, but contact with agents and H-hole will cause fat burning. Corrosion is not too strong. Hydrolyzed into phosphoric acid with water.
8.Fire emergency response:
Aid: to prevent acid contact with skin and splashed into eyes, in order to avoid serious burns skin and corrosive to the eyes should be the patient from the contaminated area, remove clothes immediately, wash skin with plenty of water and eyes , nitroglycerin ointment on the skin coated with magnesium oxide, if burnt to the hospital for treatment. mouthwash immediately swallowed, drink milk with magnesium, rushed to hospital for treatment.
9.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% |
|
