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Eintrag vom: 18.08.2013.

While both compounds share similarities in their chemical properties they also have distinct attributes that make them suitable for different applications. In this article we will explore and compare the attributes of sodium bisulfite and sodium metabisulfite.

 

Solid sodium metabisulfite has a typical shelf life of 4 to 6 months under cool dry storage conditions. In aqueous solutions however sodium bisulfite can oxidize readily when exposed to air.

 

Is Sodium Bisulfite Another Name for Sodium Bisulfate? No! While commonly confused due to the single letter variation in their spelling the two are very different compounds. The difference between bisulfite and bisulfate in chemistry is the number of oxygen atoms bound to the central sulfur.

 

Sodium Bisulfite | NaHSO3 or HNaO3S | CID 23665763 - structure chemical names physical and chemical properties classification patents literature biological ...

 

Sodium bisulfite (or sodium bisulphite sodium hydrogen sulfite) is a chemical mixture with the approximate chemical formula NaHSO 3. Sodium bisulfite is not a real compound [2] but a mixture of salts that dissolve in water to give solutions composed of sodium and bisulfite ions.

 

In conclusion sodium bisulfate and sodium bisulfite are two distinct chemicals with unique properties and uses. While sodium bisulfate is a strong acid used for pH adjustment and cleaning sodium bisulfite is a reducing agent used for preservation and dechlorination.

 

The food additive code (the E number which is commonly found on food labels) of sodium hydrogen sulfite is E 222. Sodium hydrogen sulfate or ?sodium bisulfate? (NaHSO 4) is used as acidity regulator.