Sodium nitrite (NaNO2), is the nitrite ion and sodium ionization and the formation of inorganic salts. Sodium nitrite easy deliquescence, soluble in water and liquid ammonia, the aqueous solution was alkaline, the pH is about 9, slightly soluble in ethanol, methanol, ether and other organic solvents. Sodium nitrite is salty and is used to make fake salt. Sodium nitrite is exposed to air and reacts with oxygen to form sodium nitrate. If heated to 320 ° C or more decomposition, the formation of oxygen, nitrogen oxide and sodium oxide. Exposure to organic matter. Because of its salty and cheap, often in the illegal food production for salt as an unreasonable alternative, because sodium nitrite is toxic, with industrial salt food on the human body is very harmful, carcinogenic.
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