Citric acid

URI: https://gptkb.org/entity/Citric_acid

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:chemical_compound tricarboxylic acid
gptkbp:appearance	white solid
gptkbp:boilingPoint	175 °C (decomposes)
gptkbp:CASNumber	77-92-9
gptkbp:category	antioxidant chelating agent food acidity regulator
gptkbp:chemicalFormula	C6H8O7
gptkbp:component	citric acid cycle
gptkbp:density	1.665 g/cm³
gptkbp:discoveredBy	gptkb:Carl_Wilhelm_Scheele 1784
gptkbp:EC_number	gptkb:E330
gptkbp:foundIn	citrus fruits
gptkbp:hasInChIKey	InChI=1S/C6H8O7/c7-3(8)1-2(6(13)14)5(11)12-4(9)10/h2,7H,1H2,(H,8,9,10)(H,11,12)(H,13,14)
gptkbp:hasSMILES	C(C(=O)O)C(C(=O)O)(C(=O)O)O
https://www.w3.org/2000/01/rdf-schema#label	Citric acid
gptkbp:IUPACName	gptkb:2-hydroxypropane-1,2,3-tricarboxylic_acid
gptkbp:KEGGID	C00158
gptkbp:LD50	3000 mg/kg
gptkbp:meltingPoint	153 °C
gptkbp:molecularWeight	192.124 g/mol
gptkbp:pKa	3.13 4.76 6.40
gptkbp:producedBy	gptkb:Aspergillus_niger fermentation
gptkbp:PubChem_CID	311 CHEBI:30769 CHEMBL1131
gptkbp:relatedTo	gptkb:aconitic_acid gptkb:isocitric_acid
gptkbp:riskFactor	mildly acidic
gptkbp:solubility	very soluble
gptkbp:structure	contains three carboxyl groups and one hydroxyl group
gptkbp:UNII	2968PHW8QP
gptkbp:usedFor	gptkb:food flavoring agent preservative chelating agent
gptkbp:uses	pharmaceuticals antioxidant cosmetics cleaning agent
gptkbp:bfsParent	gptkb:dessert
gptkbp:bfsLayer	4