: a salt NaNO2 used especially in dye manufacture and as a meat preservative
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Though some of these preservatives were not associated with cancer incidence, others were, including potassium sorbate, potassium metabisulfite, sodium nitrite, potassium nitrate and acetic acid.—Sara Moniuszko, USA Today, 8 Jan. 2026 Because of the potential risks, the FDA limits how much can be added to foods: no more than 200 parts per million (ppm) of sodium nitrite and 500 ppm of sodium nitrate in ready-to-eat products.7
Still, the science is not entirely clear.—Abby Norman, Verywell Health, 9 Sep. 2025 However, consuming products with sodium nitrite levels above regulatory limits may pose health risks.—Joe Edwards, MSNBC Newsweek, 1 May 2025 The powder, sodium nitrite, can be used as a food preservative — or as a rocket propellant — according to the National Library of Medicine.—Cara Lynn Shultz, Peoplemag, 23 Sep. 2024 See All Example Sentences for sodium nitrite
: a salt used especially in the manufacture of dyes and as a meat preservative
Medical Definition
sodium nitrite
noun
: a colorless or yellowish deliquescent salt NaNO2 that is used as a meat preservative and in medicine as a vasodilator and an antidote for cyanide poisoning