sodium diphosphate (CHEBI:71240)

EMBL-EBI | Chemical Biology | ChEBI

Example searches: iron*, InChI=1S/CH4O/c1-2/h2H,1H3, caffeine | Advanced Search

CHEBI:71240 - sodium diphosphate

Take structure to advanced search

ChEBI ID	CHEBI:71240
ChEBI Name	sodium diphosphate
Stars
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.
Last Modified	9 September 2021
Submitter	Marcus Ennis
Downloads	Molfile

Formula	4Na.O7P2
Net Charge	0
Average Mass	265.901
Monoisotopic Mass	265.87100
SMILES	O=P([O-])([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
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

Wikipedia

Roles Classification

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

ChEBI Ontology

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

IUPAC Name
sodium diphosphate

Synonyms	Source
Diphosphoric acid, tetrasodium salt	ChemIDplus
Tetrasodium pyrophosphate	ChemIDplus
Natrium pyrophosphat	ChemIDplus
Pyrophosphoric acid tetrasodium salt	ChemIDplus
Sodium pyrophosphate	ChemIDplus
TSPP	ChemIDplus

Manual Xrefs	Databases
Tetrasodium_pyrophosphate	Wikipedia

Registry Numbers	Sources
Reaxys:11329446	Reaxys
CAS:7722-88-5	ChemIDplus

Citations