Citric Acid - The NIST WebBook

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Citric acid

• Formula: C6H8O7
• Molecular weight: 192.1235
• IUPAC Standard InChI: InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) Copy
• IUPAC Standard InChIKey: KRKNYBCHXYNGOX-UHFFFAOYSA-N Copy
• CAS Registry Number: 77-92-9
• Chemical structure: This structure is also available as a 2d Mol file
• Other names: 1,2,3-Propanetricarboxylic acid, 2-hydroxy-; Aciletten; Citretten; Citro; 2-Hydroxy-1,2,3-propanetricarboxylic acid; β-Hydroxytricarballylic acid; Anhydrous citric acid; Citric acid, anhydrous; Kyselina citronova; Kyselina 2-hydroxy-1,2,3-propantrikarbonova; 3-Carboxy-3-hydroxypentane-1,5-dioic acid; Chemfill; F 0001 (polycarboxylic acid); Hydrocerol A; NSC 30279; NSC 626579; K-Lyte DS (Salt/Mix); K-Lyte (Salt/Mix); Citraclean (Salt/Mix); K-Lyte/Cl (Salt/Mix)
• Information on this page:
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
• Options:
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Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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Notes

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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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