Substance

ID:170874

Names and Identifiers
Synonyms
Citric Acid3-carboxy-3-hydroxypentanedioic acid2-hydroxy-1,2,3-propanetricarboxylic acid
IUPAC name
2-hydroxypropane-1,2,3-tricarboxylic acid
IUPAC Traditional name
citro
Registration numbers
CAS Number
77-92-9
PubChem CID
311
ATC CODE
A09AB04
KEGG ID
D00037
CHEBI ID
30769
Wikipedia Title
Citric_acid
CHEMBL
1261
Unique Ingredient Identifier
XF417D3PSL
Chemspider ID
305
DrugBank ID
DB04272
Properties
Physical Property
Boiling Point
175°C (decomposes)
Density
1.665 g/cm3(1.5g/cm3 for monohydrate)
Apperance
crystalline white solid
Melting Point
153°C
Solubility
73 g/100 ml (20 °C) in water
p𝘒ₐ
pKa1 = 3.09
pKa2 = 4.75
pKa3 = 5.41
pKa3 = 6.39, 6.40
Safety Information
NFPA704
NFPA 704 diagram
1
2
0
Main Hazard
skin and eye irritant
Molecule Details
Molecular Spectra
No Data Available
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References
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