has part has part has_part has role diphosphate(4-) chelator inorganic sodium salt food emulsifier sodium diphosphate Natrium pyrophosphat PMID:20686342 Sodium pyrophosphate Tetrasodium pyrophosphate CHEBI:71240 sodium diphosphate 265.87100 PMID:21854899 TSPP Wikipedia:Tetrasodium_pyrophosphate FQENQNTWSFEDLI-UHFFFAOYSA-J Reaxys:11329446 An inorganic sodium salt comprised of a diphosphate(4-) anion and four sodium(1+) cations. More commonly known as tetrasodium pyrophosphate, it finds much use in the food industry as an emulsifier and in dental hygiene as a calcium-chelating salt. PMID:22099944 PMID:20501039 PMID:22809121 CAS:7722-88-5 Pyrophosphoric acid tetrasodium salt PMID:22916886 0 Na4O7P2 265.90240 PMID:19038924 Diphosphoric acid, tetrasodium salt PMID:22125775 [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O chebi_ontology InChI=1S/4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4 food thickening agent