Sodium acid pyrophosphate; SAPP
Applications include food & beverage (popular leavening agent found in baking powder, used in very sweet cakes which mask the off-tast, canned seafood, it is used to maintain color and reduce purge, frozen hash browns and other potato products, where it is used to keep the color of the potatoes from darkening; agriculture (pet food used in cat foods as a palatability additive and industrial (petroleum production, it can be used as a dispersant in oil well drilling muds, leather treatment to remove iron stains on hides, dairy applications for cleaning, remove soapstone.