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Polyphosphoric Acid(PPA) 105%-115%

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

Properties

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

Application

 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. 

Package

Packing and storage: IBC drum 

G.W./N.W.:1860 / 1800 KGS


Specifications



Specifications

105PPA

115   PPA

    Best   Grade    

    First-class    

    Qualified    

    Best   Grade    

    First-class    

    Qualified    

Clour           ≤

20

30

40

20

30

40

H3PO       %≥

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