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Polyphosphoric Acid

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 


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