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sodium diphosphate

Go to external page http://purl.obolibrary.org/obo/CHEBI_71240

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.

Term info

Label

sodium diphosphate

Synonyms
  • sodium diphosphate
database cross reference
Subsets

3_STAR

IUPAC NAME
sodium diphosphate [ IUPAC ]

charge

0

formula

Na4O7P2

has obo namespace

chebi_ontology

has related synonym

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

id

CHEBI:71240

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

mass

265.90240

monoisotopicmass

265.87100

smiles

[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O