CHEBI:71240 - sodium diphosphate

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ChEBI Name sodium diphosphate
ChEBI ID CHEBI:71240
Definition 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.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula Na4O7P2
Net Charge 0
Average Mass 265.90240
Monoisotopic Mass 265.871
InChI 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
InChIKey FQENQNTWSFEDLI-UHFFFAOYSA-J
SMILES [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O
Roles Classification
Chemical Role(s): food emulsifier
A food additive used to form or maintain a uniform emulsion of two (or more) phases in a food.
chelator
A ligand with two or more separate binding sites that can bind to a single metallic central atom, forming a chelate.
Biological Role(s): food emulsifier
A food additive used to form or maintain a uniform emulsion of two (or more) phases in a food.
Application(s): food emulsifier
A food additive used to form or maintain a uniform emulsion of two (or more) phases in a food.
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ChEBI Ontology
Outgoing sodium diphosphate (CHEBI:71240) has part diphosphate(4−) (CHEBI:18361)
sodium diphosphate (CHEBI:71240) has role chelator (CHEBI:38161)
sodium diphosphate (CHEBI:71240) has role food emulsifier (CHEBI:63047)
sodium diphosphate (CHEBI:71240) is a inorganic sodium salt (CHEBI:38702)
IUPAC Name
sodium diphosphate
Synonyms Sources
Diphosphoric acid, tetrasodium salt ChemIDplus
Natrium pyrophosphat ChemIDplus
Pyrophosphoric acid tetrasodium salt ChemIDplus
Sodium pyrophosphate ChemIDplus
Tetrasodium pyrophosphate ChemIDplus
TSPP ChemIDplus
Manual Xref Database
Tetrasodium_pyrophosphate Wikipedia
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Registry Numbers Types Sources
11329446 Reaxys Registry Number Reaxys
7722-88-5 CAS Registry Number ChemIDplus
Citations Waiting for Citations Types Sources
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20686342 PubMed citation Europe PMC
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Last Modified
26 November 2012