What is food grade acetic acid (CAS 64-19-7)?

CAS 64-19-7 Glacial acetic acid is more simply, undiluted acetic acid. This undiluted form makes it highly corrosive. Colorless and organic, glacial acetic acid has a variety of uses in foods and is generally marketed as a crystalline solid. It is hygroscopic, meaning it absorbs water from its surrounding environment. Because glacial acetic acid GAA is a weak acid, it does not completely dissociate in an aqueous solution.

 

Glacial acetic acid is generally recognized as safe for use in foods if it is of "food-grade" and is used in accord with good manufacturing processes.

 

In the food industry, glacial acetic acid is controlled by the food additive code E260 as an acidity regulator and as a condiment. 

 

1. Makes edible vinegar (diluted to 3%-5% concentration).
2. Preserves processed foods (e.g., pickles, canned fruits) by slowing microbial growth.
3. Enhances sour taste and adjusts flavor in drinks, candies, and sauces.
4. Aids food processing (e.g., cheese, bread) by regulating acidity.

 

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