Niacinamide

• Formula: C₆H₆N₂O
• Molecular weight: 122.1246
• IUPAC Standard InChI: InChI=1S/C6H6N2O/c7-6(9)5-2-1-3-8-4-5/h1-4H,(H2,7,9) Copy

  
• IUPAC Standard InChIKey: DFPAKSUCGFBDDF-UHFFFAOYSA-N Copy
• CAS Registry Number: 98-92-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  View 3d structure (requires JavaScript / HTML 5)
• Other names: 3-Pyridinecarboxamide; Nicotinamide; β-Pyridinecarboxamide; Aminicotin; Benicot; Delonin Amide; Dipegyl; Niavit PP; Nicamina; Nicamindon; Nicasir; Nicobion; Nicofort; Nicosan 2; Nicosylamide; Nicotamide; Nicotilamide; Nicotine acid amide; Nicotinic acid amide; Nicotinic amide; Nicotylamide; Nicovit; Nicovitina; Nikotinamid; Niocinamide; Niozymin; NAM; Pelmine; Pelonin Amide; Pyridine, 3-carbamoyl-; Vi-Nicotyl; Vitamin B; Vitamin B3; 3-Carbamoylpyridine; 3-Pyridinecarboxylic acid amide; Acid amide; Amide PP; Amixicotyn; Austrovit PP; Endobion; Factor PP; Hansamid; Inovitan PP; Nandervit-N; Niacevit; Niamide; Nicamide; Nicogen; Nicomidol; Nicota; Nicotililamido; Nicotinsaureamid; Nicotol; Nicovel; Nicovitol; Nicozymin; Niko-tamin; Nikotinsaeureamid; Pelmin; Pyridine-3-carboxylic acid amide; PP-Faktor; Savacotyl; Vitamin PP; Witamina PP; Amid kyseliny nikotinove; Amnicotin; Dipigyl; Vi-noctyl; b-Pyridinecarboxamide; 3-(Aminocarbonyl)pyridine; 3-Amidopyridine; Nictoamide; Papulex
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
• Options:
  • Switch to SI units

Data at NIST subscription sites:

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

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Condensed phase thermochemistry data

Go To: Top, Gas phase ion energetics data, References, Notes

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

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry data, References, Notes

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

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

References

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes

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

Ryskalieva, Erkasov, et al., 1993
Ryskalieva, A.K.; Erkasov, R.S.; Abramova, G.V.; Nurakhmetov, N.N., Enthalpies of combustion of nicotinamide and its nitrate, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1993, 36, 112-114. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Dougherty, Younathan, et al., 1978
Dougherty, D.; Younathan, E.S.; Voll, R.; Abdulnur, S.; McGlynn, S.P., Photoelectron spectroscopy of some biological molecules, J. Electron Spectrosc. Relat. Phenom., 1978, 13, 379. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.