sodium nitrite

== English == === Pronunciation === (General American) IPA(key): /ˈsoʊ.di.əm ˈnaɪ.tɹaɪt/ === Noun === sodium nitrite (countable and uncountable, plural sodium nitrites) (chemistry) The sodium salt of nitrous acid, NaNO2; used as a food preservative and in many industrial applications. ==== Synonyms ==== E250 when used as a preservative sal prunella (obsolete)