What Is Sodium Aluminosilicate?

Variety of Different Sea Salts
Silicates function as anticaking agents in some powdered foods. (Image: Photoprofi30/iStock/Getty Images)

Silicates such as sodium aluminosilicate are naturally occurring compounds of oxygen and silicon. They are found in the earth’s crust, as well as in plants, animals and water. Silicates are largely nontoxic and do not accumulate in body tissues, according to the U.S. Food and Drug Administration. They are generally recognized as safe for use as ingredients in food.

Sodium Aluminosilicate in Food

Sodium aluminosilicate is the predominant silicate added to foods in the United States, according to the Food and Drug Administration. As an anticaking agent, it prevents clumping in dairy-based drinks, milk powders, sauce and gravy mixes, soup mixes, salt and seasonings. You may also find this silicate in household products, such as latex paint and laundry detergent.

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