Polyphosphoric Acid
Classification of hazardous
materials: GB8.1-81505
CAS NO.:8017-16-1
UN NO.:3264
HS Code:28092090
Molecular formula:H6P4O13
Molecular weight:337.93
Electronic structural formula: 
Use: as cyclizing agent and acylating agent in organic synthesis; analytical reagent.
Properties: Clear colorless viscous liquid, deliquescent, soluble in water with hydrolysis to phosphoric acid.
Hazards Identification: Generally non-flammable, but may reacts vigorously with H foaming agent and cause fire. Low corrosive.
Fire fighting measures: Wear acid proof protective gear. Extinguish fire with water.
First aid measures:
Eye: Flush eyes with plenty of water. Get medical aid.
Skin: Flush skin with plenty of water. Get medical aid.
Ingestion: Give water. Get medical aid.
Packaging: Plastic barrel or glass bottle.
Label: Corrosive
Storage & Handling: Store in a cool, dry, well-ventilated area away from incompatible substances, Keep away from alkali, toxic or corrosive substances, Handle with care, Wear acid proof protective geat.
Accidental Release Measures: Wear full protective gear. Neutralize the spills with sodium carbonate solution.
• Quantity index sign：
Item |
Index |
|
Food grade |
Industrial grade |
|
Assay |
>116% |
>114.5% |
Assay （P2O5）% |
>84% |
>83% |
Chloride |
<0.001 |
<0.001 |
Sulfate radical |
0.002 |
0.01 |
Glue degree |
35000 |
35000 |
Colour degree |
20 |
50 |
Heavy metals with (the Pb allounts) |
<0.001 |
<0.01 |
Fe |
<0.001 |
<0.01 |
As |
<0.001 |
<0.01 |
• Specifications for Delivery
 |
|
Bottle (2kg 1kg) |
|
|
 |
Twenty rise square plastics bucket |
1m3 plastics bucket |
It can also be packed according to client's requirements. P2O5 can only be loaded with blade and avoid moisture in delivery in Europe. It can be kept for 12 months in sealed drum.