Used as an anticaking agent in powdered foods and spices to prevent clumping and ensure free-flowing properties. Commonly found in dried milk, creamers, and seasoning blends.

Also utilized in dental care products for its abrasive and polishing properties in toothpaste formulations.

Plays a role in ceramic and glass manufacturing as a fluxing agent to lower melting temperatures.

In analytical chemistry, magnesium pyrophosphate is the stable form obtained after ignition of the magnesium phosphate precipitate, used for quantitative determination of magnesium in gravimetric analysis.

Additionally, it serves as a magnesium supplement in food products to enhance nutritional value, such as in cereals, powdered milk, and infant formulas, and can aid in pH control during certain food processing steps.