sodium diphosphate (CHEBI:71240)

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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

Average Mass

265.90240

Monoisotopic Mass

265.87100

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 thickening agent A food additive that is used to increase the viscosity of foodstuffs. food emulsifier A food additive used to form or maintain a uniform emulsion of two (or more) phases in a food.

Application(s):	food thickening agent A food additive that is used to increase the viscosity of foodstuffs. food emulsifier A food additive used to form or maintain a uniform emulsion of two (or more) phases in a food.

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) has role food thickening agent (CHEBI:77970) sodium diphosphate (CHEBI:71240) is a inorganic sodium salt (CHEBI:38702)

Incoming	sodium pyrophosphate decahydrate (CHEBI:177382) has part sodium diphosphate (CHEBI:71240)

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

Last Modified

09 September 2021