Polyphosphoric acid

Properties:Clear colorless viscous liquid, deliquescent, soluble in water with hydrolysis to phosphoric acid.

Properties:Clear colorless viscous liquid, deliquescent, soluble in water with hydrolysis to phosphoric acid.

Use: PPA is widely used in industries including medicine, aromatics, leather, chemical industry, etc.. It is used as cyclizing agent, acidifier and dehydrant in organic synthesis. It can also be used as the substitute for orthophosphoric acid.

Packing: in IBC drums.

Specifications of Polyphosphoric Acid
No.	Items of Analysis	Unit	95% PPA	105% PPA	115% PPA
1	PPA	%	≥95.0	≥105.0	≥115.0
2	P2O5	%	≥68.5	≥76.0	≥83.3
3	Chloride as Cl	%	≤0.0005	≤0.0005	≤0.0005
4	SO4	%	≤0.005	≤0.005	≤0.005
5	Iron as Fe	%	≤0.002	≤0.002	≤0.002
6	Arsenic as  As	%	≤0.0001	≤0.004	≤0.004
7	Heavy metal as Pb	%	≤0.0005	≤0.003	≤0.003
8	Fluoride as F	%	≤0.0005	≤0.0005	≤0.0005
9	Color	Apha	≤30	≤30	≤40

Polyphosphoric acid