Colourless, odourless, transparent prisms, or white granular or crystalline powder.

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The function(s) performed by the food additive when used in cooking.

  • Preservative - Helps protect against food deterioration caused by micro-organisms

Data according to various sources such as fao, fda, codex. Spot a mistake? Tell us!

Country Status Matched Term
United States
Approved Potassium nitrate
European Union
Approved Potassium nitrate
Australia and New Zealand
Approved Potassium nitrate
Philippines
Approved Potassium Nitrate
Austria
Approved Potassium nitrate
Belgium
Approved Potassium nitrate
Bulgaria
Approved Potassium nitrate
Cyprus
Approved Potassium nitrate
Czech Republic
Approved Potassium nitrate
Denmark
Approved Potassium nitrate
Estonia
Approved Potassium nitrate
Finland
Approved Potassium nitrate
France
Approved Potassium nitrate
Germany
Approved Potassium nitrate
Greece
Approved Potassium nitrate
Hungary
Approved Potassium nitrate
Ireland
Approved Potassium nitrate
Italy
Approved Potassium nitrate
Latvia
Approved Potassium nitrate
Lithuania
Approved Potassium nitrate
Luxembourg
Approved Potassium nitrate
Malta
Approved Potassium nitrate
Netherlands
Approved Potassium nitrate
Poland
Approved Potassium nitrate
Portugal
Approved Potassium nitrate
Romania
Approved Potassium nitrate
Slovakia
Approved Potassium nitrate
Slovenia
Approved Potassium nitrate
Spain
Approved Potassium nitrate
Sweden
Approved Potassium nitrate
United Kingdom
Approved Potassium nitrate
Australia
Approved Potassium nitrate
New Zealand
Approved Potassium nitrate

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Aggravates food intolerances - yes

E252 - Potassium nitrate: From the Food Intolerance Network fact-sheet titled 'How to start failsafe eating: a step by step guide'.

Food Intolerance Network

Aggravates food intolerances - yes

E252 - Potassium nitrate: Hyperactivity, behavioural probs, asthma, headaches, dizziness, possible carcinogen, kidney inflamation. Prohibited in foods for infants and young children.

Additive Alert

Halal - yes

E252 - Potassium nitrate: Chemical Preservative

Muslim Consumer Group

Derived from animal products (not suitable for vegan) - maybe

E252 - Potassium nitrate: From the article Non-Vegan E numbers.

Vegetarian Network Victoria

Derived from animal products - yes

E252 - Potassium nitrate: Saltpetre is usually assumed to be of natural origins but it can be artificially manufactured from waste animal matter. Potassium nitrate is often found in smoked type cheeses - so even if the cheese contains vegetable rennet and not animal rennet, it may contain potassium nitrate made from animal waste, so check with the cheese manufacturer to determine the source of the potassium nitrate.

Vegetarian Network Victoria

Derived from animal products - yes

E252 - Potassium nitrate: May be derived from waste animal or vegetable matter; used in gunpowder, explosives and fertilisers, and in the preservation of meat; may provoke hyperactivity and other adverse reactions; potentially carcinogenic; restricted in many countries

DFlock

Aggravates food intolerances - yes

E252 - Potassium nitrate: Potassium nitrate is a naturally occurring mineral used as a preservative and curing agent in meat. It is artificially manufactured by the reaction of potassium chloride with nitric acid. See E249, potassium nitrite. Potassium nitrate is used in fireworks as well as fertilisers. Typical products include processed meats, cured and smoked meat and fish, root vegetables. May be derived from waste animal or vegetable matter. May cause reproductive disorders. May provoke hyperactivity and other adverse reactions; potentially carcinogenic; restricted in many countries

MBM Foods

Linked to cancer - yes

E252 - Potassium nitrate: Potassium nitrate is potentially carcinogenic. It has been linked to cancer.

Traditional Oven - Dangerous Food Additives

Recommended for consumption by children - no

E252 - Potassium nitrate: May cause hyperactivity.

Traditional Oven - Dangerous Food Additives

Nitric acid potassium salt (1:1)
Salt peter
Saltpeter
Vicknite

Collection of sources used to create this food additive summary.

Source
Codex Alimentarius
Food Standards Australia New Zealand
JECFA (Joint FAO/WHO Expert Committee on Food Additives)
UK Food Guide
UK Food Standards Agency
U.S. Food and Drug Administration
Wikipedia

Lists the U.S. CAS (Chemical Abstracts Service) registry number and EINECS (European INventory of Existing Commercial chemical Substances) numbers when known.

  • CAS Number: 7757-79-1
  • EINECS Number: 231-818-8

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