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
- IUPAC Standard InChIKey: BVCZEBOGSOYJJT-UHFFFAOYSA-N
- 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
The 3d structure may be viewed using Java or Javascript. - Species with the same structure:
- Other names: Ammonium carbamate; Carbamic acid, ammonium salt; Ammonium carbaminate
- Information on this page:
- Other data available:
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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
| ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 12.9 | 262. | Stull, 1947 | Based on data from 247. to 331. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 247.1 to 331.4 | 7.44127 | 2267.556 | -27.221 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
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.
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
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- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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