Polyphosphoric Acid（PPA) 105%-115% - Industry Application Phosphat - China Yeyuan Chemical Raw Material Supplier - PVC -...

Polyphosphoric Acid（PPA) 105%-115%

Name: Polyphosphoric Acid（PPA) 105%-115%
Brand: China Yeyuan Chemical Raw Material Supplier - PVC - PVC Additives - Chemical Additives

Molecular Formula: Hn+2PnO3n+1

Molecular weight: 337.93

CAS Number: 8017-16-1

Standard：HG-T4691-2014

Special content 95%–115% could be customized

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Performance and Usage

Colorless transparent thick fluid with deliquescence which is non-crystallizable and corrosive, hydrolyzed to be phosphoric acid

It is widely used in pharmaceutical, perfume, leather and chemical industries; as cyclizing agent, acylating agent and dehydrating agent in organic synthesis; also as catalyst in petroleum industry.

Quality Specification

Specifications	105％PPA			115％ PPA
Specifications	Best Grade	First-class	Qualified	Best Grade	First-class	Qualified
Clour ≤	20	30	40	20	30	40
H₃PO₄ %≥	104–106			≥115.0
P₂O₅ % ≥	75.3–76.7			≥83.3
Chloride (as Cl-) %≤	0.0003	0.0005	0.0005	0.0003	0.0005	0.0005
Iron (Fe) %≤	0.001	0.002	0.002	0.001	0.002	0.002
Arsenic (as As) % ≤	0.0005	0.008	0.01	0.004	0.008	0.01
Heavy metals(as Pb)%≤	0.001	0.001	0.002	0.001	0.001	0.002