Food GradeTetrapotassium Pyrophosphate

white granular or powder , melting point at1109℃,soluble in water.

In 25kg composite plastic woven/paper bag with PE liner.

Storage and transport:To be stored in a dry, ventilate and clean warehouse; Valid for two years.

In food industry, it is used as emulsifier, quality improver, chelating agent. It can be applied as fresh preserver, water conservation, and quality improver for quick-frozen aquatic products. Complex used with other phosphates in meat processing will get a better effect. Also it can improve the expansibility of ice cream, and the taste of flour and cake, prevent the cheese ageing.

Commonly, we add this product according to the proportion of 0.2-0.5%.

It can be adjustable according to the actual situation.

Detailed Description


Food GradeTetrapotassium Pyrophosphate
Molecular formula:K4P2O7
Molecular Weight:330.34
Quality standards:

 Name of indexGB1886.340-2021 FCC-VE 450 (v)
Potassium Pyrophosphate K4P2O7(on dried material) ,≥%            95.095.095.0(800 °C for 0,5 hours)
P2O5(on the anhydrous basis)--42.0-43.7
Test for potassium--Passes test
Test for phosphate --Passes test
Water-insoluble, ≤%0.1 0.10.2
Arsenic (As) , ≤%0.00030.00030.0001
Fluoride (as F) ,≤%0.0010.0010.001
Loss on ignition , ≤%0.5 0.52.0(105 °C, 4 hours then 550 °C, 30 minutes)
Pb , ≤%0.00020.00020.0001
PH(1 % solution) , %10.0-11.0-10.0-10.8
Heavy metals (as Pb) ,≤%0.001--
Cadmium ,≤%--0.0001
Mercury ,≤%--0.0001


All information is offered in good faith, without guarantee or obligation by the accuracy or sufficiency thereof, or the result obtained and is accepted at user’s risk. Nothing herein shall be construed as a recommendation for uses that infringe valid patents or as extending a license under valid patents.
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