Small, white or slightly yellow, deliquescent granules or rods.

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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

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

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

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Aggravates food intolerances - yes

E249 - Potassium nitrite: 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

E249 - Potassium nitrite: Behavioural problems, asthma, breathing difficulties, headaches, dizziness, possible carcinogen. Prohibited in foods for infants and young children.

Additive Alert

Synthetic substance - yes

E249 - Potassium nitrite: Chemical Preservative.

Muslim Consumer Group

Causes allergic reaction - yes

E249 - Potassium nitrite: Colour fixative and curing agent for meat; nitrites can effect the body's ability to carry oxygen, resulting in shortness of breath, dizziness and headaches; potential carcinogen; not permitted in foods for infant and young children.

DFlock

Causes allergic reaction - yes

E249 - Potassium nitrite: Hampshire County Council Catering Services (HC3S) recognises that additives in food may cause reactions in certain cases and therefore worked with the Hyperactive Children's Support Group.

Hampshire County Council

Aggravates food intolerances - yes

E249 - Potassium nitrite: May cause dizziness, headaches, difficult breathing, potential carcinogen. NOT SUITABLE FOR BABIES UNDER SIX MONTHS. Causes destruction of red blood corpuscles, Cancer, Asthma. As this substance is not suitable for babies under six months we suggest it would be advisable for pregnant and lactating mothers to avoid it also unless/until it is proven safe in these circumstances.

Angelfire-Food Intolerance, Allergies and Adverse Reactions

Causes allergic reaction - yes

E249 - Potassium nitrite: May cause asthmatic and allergic reactions.

Traditional Oven - Dangerous Food Additives

Linked to cancer - yes

E249 - Potassium nitrite: Has been linked to cancer.

Traditional Oven - Dangerous Food Additives

INS No. 249
Nitrous acid potassium salt (1:1)

Collection of sources used to create this food additive summary.

Source
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

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

  • CAS Number: 7758-09-0
  • EINECS Number: 231-832-4

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