Sodium Metabisulfite

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Product Name

Sodium Metabisulfite

Product Code

E-223

Chemical Formula

Na2S2O5

Formula weight

190.10

C.A.S. Number

7681-57-4

Product Description



Sodium Metabisulfite is commonly used as a food preservative for dried foods, like potato chips, raisins and apples, as well as fruit concentrate juices. As a food product, the safe daily intake of sodium metabisulfite has been determined to be about .7 grams per kilogram of body weight. However, those with allergies to sulfites -- often exhibited by rashes, hives and wheezing - might try to steer clear of this preservative altogether.

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