Sodium Benzoate
Sodium Benzoate is the sodium salt of benzoic acid, widely used as a food preservative (with an E number of E211). It occurs naturally in many plants, including tomatoes, berries, plums, apples, and more. On an industrial scale, Sodium Benzoate is obtained by neutralization of benzoic acid.
Technical aspects
Sodium Benzoate helps to maintain the freshness of food by slowing or preventing changes in color, flavor, PH and texture. It contains no ingredients of animal origin, so it can be used in the production of food articles for vegans. Sodium Benzoate appears as a white, odorless crystalline powder.
| Physical Characteristics | Value |
|---|---|
| Acidity or Alkalinity | Max. 0.2ml |
| Halogenated Compounds: Ionised Chlorine Total Chlorine |
Max. 200 ppm Max. 300 ppm |
| Chlorinated Organic Compounds (In Terms of Chloride) |
Max. 0.06% |
| Heavy Metals (In Terms of Lead) |
Max. 10 ppm |
| Arsenic | Max. 3 ppm |
| Lead | Max. 2 ppm |
| Mercury | Max. 1 ppm |
| Polycyclic Acids | Positive |
| Readily Oxidisable Substances | Positive |
Download specification
Storage period
The shelf life of Sodium Benzoate is 24 months.
Packaging
Foodcom supplies its Business Partners with Sodium Benzoate in 25 kg bags.
Application
In the cosmetic industry, Sodium Benzoate can be found in face and body washes, lotions, creams, cleansing products, hair care products, eye creams, baby creams and oral hygiene products. Sodium Benzoate provides as a preservative in some over-the-counter and prescription medications, especially liquid medications such as cough syrup.
Sodium Benzoate can also act as a lubricant in the manufacture of pills and makes the tablets transparent and pliable so that they dissolve quickly after swallowing. Larger amounts of Sodium Benzoate are prescribed to treat elevated blood ammonia levels. A new use is the formulation of Sodium Benzoate in plastics such as polypropylene to improve strength and clarity.
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