Polyphosphoric acid
1. Short name: PPA
2. Molecular formula: H6P4O13
3. Molecular weight: 337.93
4. Classification of hazardous materials: GB8.1-81505
5.Uses:
as cyclizing agent and acylating agent in organic synthesis; analytical reagent.
6.Properties:
Clear colorless viscous liquid, deliquescent, soluble in water with hydrolysis to phosphoric acid.
7.Hazards Identification:
Generally non-flammable, but may reacts vigorously with H foaming agent and cause fire. Low corrosive.
8.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
9.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.
10.Accidental Release Measures:
Wear full protective gear. Neutralize the spills with sodium carbonate solution.
11. Quantity index sign:
|
Item
|
Index
|
|
Industrial grade
|
Food grade
|
|
Assay
|
≥115%
|
≥116%
|
|
Assay (P2O5)%
|
≥84%
|
≥84%
|
|
Sulphate
|
0.01
|
0.002
|
|
Glue degree
|
35000
|
35000
|
|
Colour degree
|
50
|
20
|
|
Heavy metals with (the Pb allounts)
|
≤0.01
|
≤0.003
|
|
Fe
|
≤0.01
|
≤0.003
|
|
As
|
≤0.01
|
≤0.005
|
12.Packing and shipping:
Domestic sale: 40kg, export sales:30kg, packed in plastic pail. It should be stored in cool, draughty place. It should be seperated from oxidant of inflammable material and should not be mixed with alkaline substance.
