Carbamic acid, monoammonium salt

• Formula: CH₆N₂O₂
• Molecular weight: 78.0705
• IUPAC Standard InChI: InChI=1S/CH3NO2.H3N/c2-1(3)4;/h2H2,(H,3,4);1H3 Copy

  
• IUPAC Standard InChIKey: BVCZEBOGSOYJJT-UHFFFAOYSA-N Copy
• CAS Registry Number: 1111-78-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Species with the same structure:
  • Carbamic acid ammoniate
• Other names: Ammonium carbamate; Carbamic acid, ammonium salt; Ammonium carbaminate
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
  • References
  • Notes
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Condensed phase thermochemistry data

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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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

Phase change data

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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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes

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

Clusius and Harteck, 1928
Clusius, K.; Harteck, P., Über die spezifischen Wärmen einiger gester Körper bei tiefen Temperaturen, Z. Phys. Chem., 1928, 134, 243-263. [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  ΔvapH	Enthalpy of vaporization

• 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.
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