98.6% Potassium pyrophosphate CAS NO.7320-34-5

Chemical Name

Potassium pyrophosphate

Synonyms

Potassium diphosphate;

Tetrapotassium pyrophosphate

Molecular Formula

K4P2O7

Molecular Weight

330.33

CAS No.

7320-34-5

EINECS

230-785-7

Properties

It is white block solid or powdery or particle solid, easily deliquescence, easily soluble in water, aqueous solution is alkaline, insoluble in alcohol.

Content

98.6% min.

Iron(Fe) 

0.005% max.

water insolubles  

0.08% max.

ph value

(1% water solvent)

9.5-11.5

Or thophosphate PO4

No distinct yellow color when react with 0.1NAgNO3

chloride (Cl)

0.45% max

heavy metal contents (Pb)

0.01% max.

total phosphorus content(P2O5)

41%

Packing             

25kg/bag  

Application          

Mainly used for non-cyanide plating, surface treatment, detergent, paint coating, cleaning agent, dispersing agent and buffer in industry;

In food grade, it is mainly used as the emulsifier, organization improver, chelant and quality ameliorant in food processing.