E249; Potassium Nitrite
(in 1 products)
Banned by Gov or classified as a carcinogen by IARC

Potential Risk Index®:

ISCE InhaleISCE SwallowISCE ContactISCE Environment
PRI Legend


1. Preservative - Prevents and inhibits the growth of unwanted microorganisms which may be harmful
Potassium nitrite is a strong oxidizer and may accelerate the combustion of other materials. Potassium nitrite is used in the manufacturing of heat transfer salts. As food additive E249, potassium nitrite is a preservative similar to sodium nitrite and is approved for usage in EU and US. [1]
This substance has been prohibited by the European Commission for use in cosmetic products.
Scientific References:
Regulatory References:
- Ref: II/248
2. CANADA INGREDIENT HOTLIST, List of Ingredients that are Prohibited for Use in Cosmetic Products [2019]
- Nitrites, inorganic, except sodium nitrite
3. Association of Southeast Asian Nations Annex II, Prohibited
- Inorganic nitrites, with exception of sodium nitrite
4. South Korea - Ministry of Food and Drug Safety - Prohibited/Restricted Chemicals
- Ref: 877
5. WHO International Agency for Research on Cancer (IARC) - Group 2A [2018]
- Nitrate or nitrite (ingested) under conditions that result in endogenous nitrosation
6. US FDA Food Additives Status List [2018]
- Nitrites (sodium and potassium)
7. EU Approved Food Additive [2018]
- E249

Safety and Hazards (UN GHS):

1. Toxic if swallowed (H301)
2. Toxic in contact with skin (H311)
3. Suspected of damaging fertility or the unborn child (H361)
4. May cause harm to breast-fed children (H362)
5. Causes damage to organs (H370)
6. Very toxic to aquatic life (H400)
7. Toxic to aquatic life (H401)
8. Very toxic to aquatic life with long lasting effects (H410)
9. Toxic to aquatic life with long lasting effects (H411)

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