Sodium diacetate food grade, feed grade CAS Number 126-96-5 Molecular Formula C4H7NaO4 Molecular Weight 142.09 EC Number 204-814-9 Package:25kg/barrel Function: preservatives, chelating agent, flavoring agent, PH regulator Application: in food and feed industry Tags: Ingredients Dietary supplements Antioxidant
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Sodium diacetate, chemically known as sodium acetate trihydrate mixed with acetic acid or simply the sodium salt of acetic acid in a specific ratio, is a versatile white crystalline powder widely utilized across various industrial and food sectors. Its chemical formula is typically represented as C4H7NaO4·2H2O when referring to the commercial blend, though it acts effectively as a source of both sodium acetate and acetic acid. The substance is identified by the CAS number 127-02-8 for sodium acetate, while the specific diacetate mixture often carries distinct regulatory identifiers depending on the formulation purity.
In the food industry, sodium diacetate serves primarily as an acidity regulator, flavor enhancer, and preservative. It imparts a sharp, vinegar-like taste without the high moisture content of liquid acetic acid, making it ideal for seasoning potato chips, pretzels, and other savory snacks where dry application is crucial. Its ability to lower pH levels inhibits the growth of mold and bacteria, thereby extending the shelf life of processed foods while maintaining safety standards. Beyond food applications, it plays a significant role in the textile industry as a dyeing agent and in leather processing to neutralize alkalinity during tanning. In agriculture, it is sometimes used as a feed additive to improve gut health in livestock.
From a safety perspective, sodium diacetate is generally recognized as safe (GRAS) by the FDA for use in food products within specified limits. However, like many acidic salts, it requires proper handling to avoid irritation to eyes and skin in concentrated forms. Its hygroscopic nature necessitates storage in cool, dry environments to prevent clumping. Overall, sodium diacetate remains an essential compound due to its dual functionality as both a buffering agent and a flavoring component, bridging the gap between chemical utility and culinary application in modern manufacturing processes.