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Tetrasodium pyrophosphate, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is an inorganic compound with the formula Na4P2O7. As a salt, it is a white, water-soluble solid. It is composed of pyrophosphate anion and sodium ions.
Tetrasodium pyrophosphate is used as a buffering agent, an emulsifier, a dispersing agent, and a thickening agent, and is often used as a food additive. Common foods containing tetrasodium pyrophosphate include chicken nuggets, marshmallows, pudding, crab meat, imitation crab, canned tuna, and soy-based meat alternatives and cat foods and cat treats where it is used as a palatability enhancer.
Tetrasodium pyrophosphate is mainly used as a chelating agent in cosmetics and skin care products. The risk factor is 1, which is relatively safe and can be used with confidence. It generally has no effect on pregnant women. Tetrasodium pyrophosphate does not have Acne-causing.
Tetrasodium pyrophosphate is used as a buffer, emulsifier, dispersant and thickener, and is also commonly used as a food additive. In toothpaste and dental floss, tetrasodium pyrophosphate is used as a tartar control agent, which can combine calcium and magnesium ions to prevent them from depositing on the surface of teeth, thereby achieving the purpose of cleaning teeth.
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