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sodium diphosphate
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.


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09. Chemical Capabilities: emulsifier [CHEBI:63046] > food emulsifier [CHEBI:63047]
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08. Chemical Category 
08. Chemical Category
 inorganic molecular entity [CHEBI:24835] (649) 
 inorganic salt [CHEBI:24839] (41) 
 inorganic sodium salt [CHEBI:38702] (22) 
 sodium diphosphate [CHEBI:71240] (1)
 main group molecular entity [CHEBI:33579] (25650) 
 s-block molecular entity [CHEBI:33674] (7287) 
 alkali metal molecular entity [CHEBI:33296] (279) 
 sodium molecular entity [CHEBI:26712] (216) 
 sodium salt [CHEBI:26714] (213) 
 inorganic sodium salt [CHEBI:38702] (22) 
 sodium diphosphate [CHEBI:71240] (1)
 alkali metal salt [CHEBI:35479] (248) 
 sodium salt [CHEBI:26714] (213) 
 inorganic sodium salt [CHEBI:38702] (22) 
 sodium diphosphate [CHEBI:71240] (1)
 polyatomic entity [CHEBI:36357] (18777) 
 heteroatomic molecular entity [CHEBI:37577] (13672) 
 salt [CHEBI:24866] (931) 
 inorganic salt [CHEBI:24839] (41) 
 inorganic sodium salt [CHEBI:38702] (22) 
 sodium diphosphate [CHEBI:71240] (1)
 alkali metal salt [CHEBI:35479] (248) 
 sodium salt [CHEBI:26714] (213) 
 inorganic sodium salt [CHEBI:38702] (22) 
 sodium diphosphate [CHEBI:71240] (1)
09. Chemical Capabilities 
09. Chemical Capabilities
 ligand [CHEBI:52214] (33) 
 chelator [CHEBI:38161] (32) 
 sodium diphosphate [CHEBI:71240] (1)
 emulsifier [CHEBI:63046] (24) 
 food emulsifier [CHEBI:63047] (3) 
 sodium diphosphate [CHEBI:71240] (1)
ChEBI Compound Accession Identifier  [CHEBI:71240]
ChEBI Compound Description  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.
ChEBI Compound Identification Number  71240
ChEBI InChI Value  "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"
ChEBI InChIKey Value  FQENQNTWSFEDLI-UHFFFAOYSA-J
ChEBI Compound Name  sodium diphosphate
ChEBI SMILES Value  [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O
ChEBI Substance ID  160646210
ChEBI URL  ChEBI:71240
ChemSpider ID  22813
Ontomatica Chemical Accession Key (OnChAKey)  FQENQNTWSFEDLI_UHFFFAOYSA_J_000_000000
PubChem Compound ID  24403