Used in baking powders as a leavening agent to help dough rise by releasing carbon dioxide when mixed with moisture and heat. Acts as a source of phosphorus in fertilizers to promote root development and overall plant growth. Added to animal feed to meet calcium and phosphorus requirements for bone formation and metabolic functions. Employed in some dental products for remineralization of tooth enamel. Also utilized in the food industry as an acidity regulator and nutritional supplement.