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 Product name: Polyphosphoric acid (PPA).
Representative Formula: H6P4O13
Molecular Weight: 337.93
IMDG classification and number: GB8.1, 815052. Former rail regulation: Second-level Inorganic acid corrosive goods, 93007
Uses: Cyclizing agent and acylating agent in organic synthesis, analytical reagent, is a substitute of orthophosphoric acid.
Physical and chemical properties: Colorless transparent viscous liquid, is easy to deliquescence.
Storage and transportation: corrosive goods. Packing method: (Ⅲ) class. Plastic bucket or glass bottle, the external package is wooden box, lined with non-combustible materials. Storage and transportation: Stored in a dry & cool place. No mixed with alkaline substances, toxic matter and corrosive goods. The operator must wear acidproof protective equipment .
Shelf period: May to September can be stored for 60 days;October to April can be stored for 90 days.
Specifications and quality Index:
| Item |
Index |
| Food Grade |
Industrial Grade |
| Assay |
≥117% |
≥115-116% |
| Assay (P2O5) % |
≥85% |
≥83-84% |
| Chloride |
≤0.001 |
≤0.001 |
| Sulfate radical |
0.002 |
0.01 |
| Viscosity (Pa.s) |
35000 |
35000 |
| Chroma (Hazen) |
20 |
50 |
| Heavy Metals (Pb) % |
≤0.001 |
≤0.01 |
| Fe % |
≤0.0050 |
≤0.01 |
| As % |
≤0.0025 |
≤0.01 |
Packing: Package weight (Net weight) (or following your demands)
Industrial Grade: 40－340Kg plastic drum
Food Grade: 1Kg, 2Kg Plastic bottle
Export Grade: 20L－1000L plastic drum
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