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Potassium nitrate E252

Potassium nitrate E252

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Potassium nitrate (KNO3). Not less than 99,5 % purity. Supplies Potassium and Nitrogen.


Used as a preservative to prevent colour loss in meat or as a fertiliser. Also stimulates plant growth and disease resistance in all crops and culture forms.


Download: potassium nitrate data sheet



Chemical composition Potassium nitrate

KNO3 Min. 99,50%

pH 6 – 8

water H20 Max. 0,20%

Chloride NaCl Max. 0,10%

Calcium CaO Max. 0,05%

Iron Fe+³ Max. 0,0005%

Reduced substances KNO2 Max. 0,002%

Heavy metals Pb+² Max. 0,0005%

Insoluble in water Max. 0,02%

The maximum use of this product for different foodstuffs can be found on the website of the European Commission: Food additives Database.

Nutritional values per 100 grams

Energy0 kJ
Energy0 kcal
Fat0 gram
of which saturated fatty acids0 gram
Carbohydrates0 gram
of which sugars0 gram
Protein0 gram
Fibre0 gram
Salt0 gram
  • UsageNOTE: FOR FOOD, LIMITED USE.
  • Ingredientspreservative: E252
  • Country of originPoland

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