Ingredient · E450v

Tetrapotassium diphosphate

Source
Not animal-derived
Allergen
No
Role in food
This ingredient functions as an acidity regulator and emulsifier in food products. It helps …

What is Tetrapotassium diphosphate?

Tetrapotassium diphosphate is a potassium salt of diphosphoric acid. It is a white, crystalline powder that is soluble in water. It is manufactured industrially through chemical synthesis.

Is Tetrapotassium diphosphate vegan?

Tetrapotassium diphosphate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Tetrapotassium diphosphate gluten-free?

It does not contain gluten.

Is Tetrapotassium diphosphate a major allergen?

Tetrapotassium diphosphate is not one of the 14 major allergens that must be emphasised on UK food labels.

What is Tetrapotassium diphosphate used for?

This ingredient functions as an acidity regulator and emulsifier in food products.

Is Tetrapotassium diphosphate safe?

Tetrapotassium diphosphate is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations.

Why it's used

This ingredient functions as an acidity regulator and emulsifier in food products. It helps to maintain a stable pH and prevent oil and water from separating. It is commonly found in processed meats, particularly hams, where it aids in water retention and texture.

Health notes

Tetrapotassium diphosphate is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations. European Food Safety Authority (EFSA) has evaluated it. JECFA has also evaluated it and set an acceptable daily intake. At typical dietary intakes, it is not associated with adverse health effects. There are no widespread controversies regarding its use.

Allergen info

Tetrapotassium diphosphate is not one of the 14 major allergens that must be emphasised on UK food labels. It does not contain gluten.

Foods that contain Tetrapotassium diphosphate

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New Yorker Inspired Sainsbury's New Yorker Inspired Sandwich made with loaf bread and various fillings Fat: medium Saturates: medium Sugars: low Salt: medium 172kcal 10.1Protein 5.3Fat 19.7Carbs
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2 cheese and ham chicken kievs Sainsbury's 2 cheese and ham chicken kievs Chicken kievs · 260 g Fat: medium Saturates: medium Sugars: low Salt: medium 233kcal 15.2Protein 13.5Fat 12.8Carbs
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Peperami Chicken Roasted Bites Peperami Peperami Chicken Roasted Bites Chicken nuggets · 50g Fat: medium Saturates: medium Sugars: low Salt: medium HFSS 201kcal 17Protein 11Fat 7.9Carbs
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New York Style Beef And Pork Hotdogs Waitrose New York Style Beef And Pork Hotdogs Sausages · 380 g Fat: medium Saturates: high Sugars: low Salt: medium HFSS 197kcal 14.3Protein 13.7Fat 3.3Carbs
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Roasted Turkey Slices Premier Deli Roasted Turkey Slices Turkey breasts · 125g Fat: low Saturates: low Sugars: low Salt: medium 114kcal 23.3Protein 1.9Fat 0.5Carbs
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Prime Cuts Wafer Thin Crumbed Ham Tesco Prime Cuts Wafer Thin Crumbed Ham Cured hams · 125g Fat: low Saturates: low Sugars: low Salt: medium 112kcal 21.2Protein 2Fat 2.1Carbs
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HONEY ROAST HAM TESCO HONEY ROAST HAM White hams · 400g Fat: low Saturates: low Sugars: low Salt: low 119kcal 21.3Protein 2.5Fat 2.2Carbs
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Prime Cut Honey Roast Ham Tesco Prime Cut Honey Roast Ham Hams · 125g Fat: low Saturates: low Sugars: low Salt: medium 114kcal 20.5Protein 2.4Fat 1.9Carbs
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British Pork Cooked Ham Tesco British Pork Cooked Ham White hams · 125g Fat: low Saturates: low Sugars: low Salt: high 113kcal 21.6Protein 2.6Fat 0.6Carbs
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Oak smoked ham Tesco Oak smoked ham Hams Fat: low Saturates: low Sugars: low Salt: high 112kcal 21.8Protein 2Fat 1.2Carbs
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British Wafer Thin Honey Roast Ham Tesco British Wafer Thin Honey Roast Ham White hams · 125g Fat: low Saturates: low Sugars: low Salt: medium 119kcal 21.3Protein 2.5Fat 2.2Carbs
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Prime cuts wafer thin cooked ham Tesco Prime cuts wafer thin cooked ham Cooked ham choice · 125g Fat: low Saturates: low Sugars: low Salt: medium 110kcal 21.1Protein 2Fat 1.4Carbs
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Roast Chicken Slices Tesco Roast Chicken Slices Cooked chicken breast slices Fat: low Saturates: low Sugars: low Salt: low 116kcal 24Protein 1.1Fat 2.4Carbs
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Wafer Thin Roast Turkey Tesco Wafer Thin Roast Turkey 250g Fat: low Saturates: low Sugars: low Salt: high 14.8kcal 18.8Protein 1.6Fat 4.3Carbs
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Cooked Ham Eastman's Deli Foods Cooked Ham Cooked Ham Superior Quality · 400g Fat: low Saturates: low Sugars: low Salt: high 92.6kcal 17.4Protein 2.2Fat 0.7Carbs
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Cooked Ham Eastman's Deli Foods Cooked Ham Cooked ham choice · 125g Fat: low Saturates: low Sugars: low Salt: high 92.9kcal 17.9Protein 2.1Fat 0.7Carbs
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Pork Luncheon Meat Tesco Pork Luncheon Meat Fat: medium Saturates: high Sugars: low Salt: high HFSS 207kcal 13.9Protein 15.9Fat 1.9Carbs
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Eastman's Chicken Roll 20 slices Tesco Eastman's Chicken Roll 20 slices Chickens · 250g Fat: medium Saturates: medium Sugars: low Salt: high HFSS 156kcal 14.4Protein 9.2Fat 3.6Carbs
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Smoked pork sausage original Mattessons Smoked pork sausage original Smoked sausages · 130g Fat: high Saturates: high Sugars: low Salt: high HFSS 308kcal 14Protein 27Fat 1.6Carbs
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Smoked Pork Sausage Mattessons Smoked Pork Sausage 260 g Fat: high 298kcal 15Protein 26Fat 1.5Carbs
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Citric acid (8753 products) Acidity regulator (7442 products) Acid (4042 products) Sodium carbonates (1842 products) Diphosphates (1800 products) Sodium citrates (1657 products) Lactic acid (1515 products) Malic acid (1301 products)

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Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.