Ingredient

Promotes Color Retention

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Source
Unknown
Not yet classified by editors
Allergen
No
Role in food
Sodium nitrite is primarily used as a preservative and color fixative in cured meats …

What it is

Sodium nitrite is a white to yellowish crystalline powder. It is a salt of nitrous acid, commonly produced industrially by reacting nitrogen oxides with sodium carbonate or sodium hydroxide.

Why it's used

Sodium nitrite is primarily used as a preservative and color fixative in cured meats like bacon, ham, and hot dogs. It prevents the growth of harmful bacteria, particularly Clostridium botulinum, and gives cured meats their characteristic pink color and flavor.

Health notes

Sodium nitrite is approved by the FDA as a food additive. Regulatory bodies like JECFA and EFSA have evaluated its use. Concerns have been raised about the potential formation of nitrosamines, which are carcinogenic, when nitrites react with amines at high temperatures. However, evidence regarding the health effects of nitrites at typical dietary intake levels is mixed, and they are considered safe when used within permitted limits.

Allergen info

Not a major allergen.

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.