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Tetrapotassium diphosphate TKPP
Tetrapotassium diphosphate
  • CAS No.:

    7320-34-5
  • Molecular Formula:

    K4O7P2
  • Quality Standard:

    Enterprise Standard
  • Packing:

    25kg/bag 23 tons per 20GP container
  • Mininmum Order:

    500kg

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  • Product Details
Tetrapotassium diphosphate CAS 7320-34-5, also as Potassium pyrophosphate, is a kind of white powder or crystal granules. It is in accordance with product application classified into food grade, and industry grade. It is of high hygroscopicity exposed to the air. Potassium pyrophosphate is easily soluble in water but insoluble in ethanol. Its aqueous solution is alkaline. It can be typically used to prevent food from corruption and fermentation.

Specification 

Food Grade

Appearance                   White powder
Content(As K4P2O7)      ≥95.0%
As                                ≤0.0003%
Fluorides(F)                   ≤0.001%
Lead                             ≤0.0005%
pH                                10.0-10.7
Heavy metals(Pb)          ≤0.002%
Insoluble substances      ≤0.1%

Loss on ignition             ≤0.5%

Industry Grade

Appearance                   White powder
Content(K4P2O7)        ≥98%
pH (1% aq. solution)      10.5±0.5
Phosphoric anhydride     ≥42.2
Potassium oxide (K2O)   ≥56.5%
Water insoluble matter   ≤0.1%
Heavy metals (Pb)         ≤0.003%
Chlorine (Cl)                 ≤0.45%
Iron (Fe)                      ≤0.01%

Application 

Food Grade

Potassium pyrophosphate is used as emulsifier, quality improver and metal ion, etc. In food production. Additionally, it is used in flour products with alkaline water. Mixing other phosphates can prevent canned aquatic products from the growth of guanite and helps to keep canned aquatic products color preserved. Accretion of potassium pyrophosphate in ice cream can increase the overrun of itself. Especially, it can increase the swelling of ice cream , improve the flavour of cakes and pastries, and prevent the cheese from aging.

Industry Grade

Potassium pyrophosphate, used as industry grade, is mainly used for cyanide electroplating complexing agent, metal surface cleaning agent and the production of dye dispersants gentle granule, etc.

Packing

25kg per woven bag with inner plastic bag, 23 tons per 20 feet container without pallets and 22 tons if palleted.


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