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Tetrasodium pyrophosphate, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is a colorless transparent crystalline chemical compound with the formula Na4P2O7. It contains the pyrophosphate ion and sodium cation. Toxicity is approximately twice that of table salt when ingested orally. There is also a hydrated form, Na4P2O710(H2O).
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1. a sodium salt of pyrophosphoric acid used as a builder in soaps and detergents
(synonym) sodium pyrophosphate
(hypernym) builder, detergent builder
| tetrasodium pyrophosphate in German | tetrasodium pyrophosphate in Arabic
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