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Applications & Uses of Tetrasodium Pyrophosphate

04/12/2016 admin

Tetrasodium pyrophosphate, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is a 

Tetrasodium pyrophosphate, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is a colorlesstransparent crystalline chemical compound with the formulaNa4P2O7. It is a salt composed of pyrophosphate and sodium ions. Toxicity is approximately twice that of table salt when ingested orally. There is also a hydrated form, Na4P2O7 · 10(H2O).

 

Tetrasodium pyrophosphate Used in Foods & Beverages

Tetrasodium pyrophosphate is used as a buffering agent, anemulsifier, 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, crabmeat, imitation crab, canned tuna, and soy-based meat alternatives and cat foods and cat treats where it is used as a palatabilityenhancer.

 

Tetrasodium pyrophosphate Used in Other Applications

In toothpaste and dental floss, tetrasodium pyrophosphate acts as a tartar control agent, serving to remove calcium and magnesiumfrom saliva and thus preventing them from being deposited onteeth. Tetrasodium pyrophosphate is used in commercial dental rinses before brushing to aid in plaque reduction.

Tetrasodium pyrophosphate is sometimes used in householddetergents to prevent similar deposition on clothing, but due to its phosphate content it causes eutrophication of water, promotingalgae growth.