Sodium nitrite is a naturally occurring substance commonly used as a meat preservative, but toxic at higher doses.
sodium | Sodium fluoroacetate | Sodium sulfate | Sodium hydroxide | Sodium thiopental | Sodium nitrate | sodium hydroxide | Sodium dodecyl sulfate | Sodium | Amyl nitrite | sodium valproate | Sodium Tungsten Bronze | Sodium tungsten bronze | Sodium sesquicarbonate | Sodium orthovanadate | Sodium nitrite | sodium nitrate | Sodium hypochlorite | Sodium hydrosulfide | Sodium cyanide | Sodium citrate | Sodium-calcium exchanger | Sodium bicarbonate | sodium bicarbonate | Fractional sodium excretion |