Acetic acid

• Formula: C₂H₄O₂
• Molecular weight: 60.0520
• IUPAC Standard InChI: InChI=1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4) Copy

  
• IUPAC Standard InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N Copy
• CAS Registry Number: 64-19-7
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Isotopologues:
  • Acetic acid-d4
• Other names: Ethanoic acid; Ethylic acid; Glacial acetic acid; Methanecarboxylic acid; Vinegar acid; CH3COOH; Acetasol; Acide acetique; Acido acetico; Azijnzuur; Essigsaeure; Octowy kwas; Acetic acid, glacial; Kyselina octova; UN 2789; Aci-jel; Shotgun; Ethanoic acid monomer; NSC 132953
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• Information on this page:
  • Normal melting point
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 79
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Vibrational and/or electronic energy levels
  • Gas Chromatography
• Data at other public NIST sites:
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  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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Normal melting point

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Dallos, Laszlo-Parragi, et al., 1986
Dallos, A.; Laszlo-Parragi, M.; Ratkovics, F.; Hahn, G.; Kalali, H.E.; Kohler, F., Thermodynamics of the system acetic-butane-2-one, Z. Chem., 1986, 26, 35. [all data]

Yarym-Agaev, Kogan, et al., 1963
Yarym-Agaev, N.L.; Kogan, E.A.; Rudin, V.Y.; Titova, V.A., Orthobaric heats of mixing of pyridine and acetic acid vapours, Zh. Fiz. Khim., 1963, 37, 1445. [all data]

McDonald, Shrader, et al., 1959
McDonald, R.A.; Shrader, S.A.; Stull, D.R., Vapor Pressures and Freezing Points of 30 Organics, J. Chem. Eng. Data, 1959, 4, 311. [all data]

Swietoslawski and Kreglewski, 1954
Swietoslawski, W.; Kreglewski, A., The Critical State of Negtative Azeotropes I. System of Acetic Acid- Pyridine, Bull. Acad. Pol. Sci., Cl. 3, 1954, 2, 77. [all data]

Kipling and Tester, 1952
Kipling, J.J.; Tester, D.A., Adsorption from Binary Mixtures: Determination of Indivicual Adsorption Isotherms, J. Chem. Soc., 1952, 1952, 4123-33. [all data]

Dreisbach and Martin, 1949
Dreisbach, R.R.; Martin, R.A., Physical Data on Some Organic Compounds, Ind. Eng. Chem., 1949, 41, 2875-8. [all data]

Timmermans, 1935
Timmermans, J., Researches in Stoichiometry. I. The Heat of Fusion of Organic Compounds., Bull. Soc. Chim. Belg., 1935, 44, 17-40. [all data]

Von Zawidzki, 1906
Von Zawidzki, J., Some physical constraints of pure pyridine, Chem.-Ztg., 1906, 30, 299. [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point

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