Polyphosphoric Acid

Polyphosphoric acid is widely used in medicine, perfume, leather, chemical industry and other industries. It is used as a compound cyclizing agent, acidulant and dehydrating agent in organic synthesis. It can also be used as a substitute for orthophosphoric acid.

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POLYPHOSPHORIC ACID (PPA)
Molecular formula: Hn + 2PnO3n + 1
Molecular weight: 337.93
Properties: PPA is a colorless transparent viscous liquid, easy to deliquesce, non-crystalline, corrosive, can be miscible with water and hydrolyzed to orthophosphoric acid, specific gravity 2.1g / CM3.
Uses: Polyphosphoric acid is widely used in medicine, perfume, leather, chemical industry and other industries. It is used as a compound cyclizing agent, acidulant and dehydrating agent in organic synthesis. It can also be used as a substitute for orthophosphoric acid.
Packing: IBC barrel

Specifications of Polyphosphoric Acid
No.	Items of Analysis	Unit	105% PPA			115% /116%/117%/118%PPA
No.	Items of Analysis	Unit	Superior products	First Grade	Qualified products	Superior products	First Grade	Qualified products
1	H3PO4	%	105			≥115/116/117/118
2	P₂O₅	%	76.02			≥83.3/84.0/84.7/85.4
3	Chloride as Cl	%	0.0003	0.0005	0.0005	0.0003	0.0005	0.0005
4	Iron as Fe	%	0.001	0.002	0.002	0.001	0.002	0.002
5	Arsenic as As	%	0.0005	0.008	0.010	0.004	0.008	0.010
6	Heavy metal as Pb	%	0.001	0.001	0.002	0.001	0.001	0.002
7	Color	Apha	20	30	40	20	30	40