CheckVegan

Is Potassium Nitrite vegan?

Potassium Nitrite

Vegan Vegan
Vegetarian Vegetarian

Potassium Nitrite is an inorganic potassium salt used as a curing agent and preservative in cured and processed meat products. It inhibits the growth of bacteria, particularly Clostridium botulinum.

Also known as KNO2
INCI name Potassium Nitrite
E number E249
INS number 249
CAS number 7758-09-0
EC number 231-832-4
CosIng ID 82084
Last reviewed 22 April 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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