CHEBI:148438 - potassium metaphosphate

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ChEBI Name potassium metaphosphate
ChEBI ID CHEBI:148438
Definition A potassium salt of metaphosphoric acid.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
Download Molfile XML SDF
Formula O3P.K
Net Charge 0
Average Mass 118.069
Monoisotopic Mass 117.92221
InChI InChI=1S/K.HO3P/c;1-4(2)3/h;(H,1,2,3)/q+1;/p-1
InChIKey OQZCJRJRGMMSGK-UHFFFAOYSA-M
SMILES P([O-])(=O)=O.[K+]
Roles Classification
Chemical Role(s): buffer
Any substance or mixture of substances that, in solution (typically aqueous), resists change in pH upon addition of small amounts of acid or base.
food emulsifier
A food additive used to form or maintain a uniform emulsion of two (or more) phases in a food.
sequestrant
A food preservative that acts by chelating with metal cations (particularly those of copper, iron and nickel) that catalyse the oxidation of fats in food.
Biological Role(s): food emulsifier
A food additive used to form or maintain a uniform emulsion of two (or more) phases in a food.
raising agent
A food additive which liberates gas so as to increase the volume of a dough or batter, resulting in a lighter and softer finished product.
sequestrant
A food preservative that acts by chelating with metal cations (particularly those of copper, iron and nickel) that catalyse the oxidation of fats in food.
Application(s): fertilizer
A fertilizer is any substance that is added to soil or water to assist the growth of plants.
food emulsifier
A food additive used to form or maintain a uniform emulsion of two (or more) phases in a food.
raising agent
A food additive which liberates gas so as to increase the volume of a dough or batter, resulting in a lighter and softer finished product.
sequestrant
A food preservative that acts by chelating with metal cations (particularly those of copper, iron and nickel) that catalyse the oxidation of fats in food.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing potassium metaphosphate (CHEBI:148438) has part trioxidophosphate(1−) (CHEBI:30932)
potassium metaphosphate (CHEBI:148438) has role buffer (CHEBI:35225)
potassium metaphosphate (CHEBI:148438) has role fertilizer (CHEBI:33287)
potassium metaphosphate (CHEBI:148438) has role food emulsifier (CHEBI:63047)
potassium metaphosphate (CHEBI:148438) has role raising agent (CHEBI:77971)
potassium metaphosphate (CHEBI:148438) has role sequestrant (CHEBI:77963)
potassium metaphosphate (CHEBI:148438) is a inorganic phosphate (CHEBI:24838)
potassium metaphosphate (CHEBI:148438) is a potassium salt (CHEBI:26218)
IUPAC Name
potassium oxophosphinate
Synonyms Sources
metaphosphoric acid potassium salt ChemIDplus
monopotassium metaphosphate ChEBI
Manual Xrefs Databases
D05582 KEGG DRUG
FDB013354 FooDB
View more database links
Registry Numbers Types Sources
7790-53-6 CAS Registry Number NIST Chemistry WebBook
7790-53-6 CAS Registry Number ChemIDplus
Citations Waiting for Citations Types Sources
13426142 PubMed citation Europe PMC
28527993 PubMed citation Europe PMC
Last Modified
07 April 2020