 {{chembox | watchedfields = changed | verifiedrevid = 477313834 | name = citric acid | imagefilel1 = zitronensÃ¤ure - citric acid.svg | imagesizel1 = 120px | imagefiler1 = citric-acid-3d-balls.png | imagesizer1 = 120px | imagefile2 = kyselina citronovÃ¡.png | imagesize2 = 200px | imagename2 = citric acid | iupacname = 2-hydroxypropane-1,2,3-tricarboxylic acid | othernames = citric acid 3-carboxy-3-hydroxypentanedioic acid 2-hydroxy-1,2,3-propanetricarboxylic acid | section1 =  | section2 = {{chembox properties | c=6|h=8|o=7 | appearance = crystalline white solid | odor = odorless | density = 1.665 g/cm3 (anhydrous) 1.542 g/cm3 (18 Â°c, monohydrate) | solubility = 117.43 g/100 ml (10 Â°c) 147.76 g/100 ml (20 Â°c) 180.89 g/100 ml (30 Â°c) 220.19 g/100 ml (40 Â°c) 382.48 g/100 ml (80 Â°c) 547.79 g/100 ml (100 Â°c) | solubleother = soluble in alcohol, ether, ethyl acetate, dmso insoluble in c6h6, chcl3, cs2, toluene | solubility1 = 62 g/100 g (25 Â°c) | solvent1 = ethanol | solubility2 = 4.41 g/100 g (25 Â°c) | solvent2 = amyl acetate | solubility3 = 1.05 g/100 g (25 Â°c) | solvent3 = diethyl ether | solubility4 = 35.9 g/100 g (25 Â°c) | solvent4 = 1,4-dioxane | meltingptc = 156 | boilingptc = 310 | boiling_notes = decomposes from 175 Â°chttp://chemister.ru/database/properties-en.php?dbid=1&id=1624 | pka = 1 = 3.13 2 = 4.76 3 = 6.39,  6.40 {{cite web |url=http://www2.chemistry.msu.edu/faculty/reusch/virttxtjml/acidity2.htm |title=ioniza
Chelating_agents Citric_acid_cycle_compounds Food_acidity_regulators Household_chemicals Hydroxy_acids Photographic_chemicals Tricarboxylic_acids