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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
Manufacturing
