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Potassium Pyrophosphate

English name:

Potassium pyrophosphate

Molecular formula:

K₄P₂O₇

Molecular weight:

330.05

CAS NO.:

7320-34-5

Specification:

Industrial grade: In line with ZB/TG12006-88;
Food grade: In line with FAO / WHO,1980; Customer requirement

This product is white block solid or powdery or particle solid, easily deliquescence, easily soluble in water, aqueous solution is alkaline, insoluble in alcohol. Mainly used for non-cyanide plating, surface treatment, top-grade 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.

Model	Index name
Model	Export grade	Plating grade	High-purity
Tetra potassium pyro-phosphate K₄P₂O₇%	96	98	96.0
Iron(Fe)%	0.005	0.005	0.03
water insolubles %	0.08	0.08	0.10
ph value(1% water solvent)	10.51±1
Or thophosphate PO₄	No distinct yellow color when react with 0.1NAgNO₃
chloride (Cl)%	0.45	-	-
heavy metal contents (Pb)%	0.01	-	-
total phosphorus content(P₂O₅)%	41	-	-

Packing :

25Kg double-lined with plastic and the outside is woven bag; Customer requirement

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