Ammonium Chloride
- Formula: ClH4N
- Molecular weight: 53.491
- IUPAC Standard InChI: InChI=1S/ClH.H3N/h1H;1H3
- IUPAC Standard InChIKey: NLXLAEXVIDQMFP-UHFFFAOYSA-N
- CAS Registry Number: 12125-02-9
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Other names: (NH4)Cl; Ammonium chloride ((NH4)Cl); Amchlor; Ammoneric; Ammoniumchlorid; Ammonium muriate; Chlorid amonny; Darammon; SAL AMMONIA; SAL AMMONIAC; Salammonite; Salmiac; Ammonium chloride fume; Ammonium uriate; Katapone VV-328; Quaternary ammonium chloride
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
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.
Phase change 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: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 177. | kJ/mol | N/A | Luft, 1955 |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 168.6 | 550. | I | Callanan and Smith, 1971 |
| 176.6 ± 0.4 | 308. to 363. | TE | Wagner and Neumann, 1961 |
Gas phase ion energetics data
Go To: Top, Phase change 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.540 ± 0.050 | LPES | Eustis, Whiteside, et al., 2010 | B |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| H3N+ | 10.10 ± 0.05 | HCl | PI | Evlasheva, Potapov, et al., 1975 | LLK |
| H4N+ | 10.10 ± 0.05 | Cl | PI | Evlasheva, Potapov, et al., 1975 | LLK |
References
Go To: Top, Phase change 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.
Luft, 1955
Luft, N.W.,
Ind. Chemist, 1955, 31, 502. [all data]
Callanan and Smith, 1971
Callanan, Jane E.; Smith, Norman O.,
Sublimation pressures of solid solutions III. NH4Cl + NH4Br,
The Journal of Chemical Thermodynamics, 1971, 3, 4, 531-538, https://doi.org/10.1016/S0021-9614(71)80036-8
. [all data]
Wagner and Neumann, 1961
Wagner, Horst; Neumann, Kurt,
Der Dampfdruck des Ammoniumchlorids zwischen 35 und 90°C,
Zeitschrift für Physikalische Chemie, 1961, 28, 12, 51-70, https://doi.org/10.1524/zpch.1961.28.12.051
. [all data]
Eustis, Whiteside, et al., 2010
Eustis, S.N.; Whiteside, A.; Wang, D.; Gutowski, M.; Bowen, K.H.,
Ammonia-Hydrogen Bromide and Ammonia-Hydrogen Iodide Complexes: Anion Photoelectron and ab Initio Studies,
J. Phys. Chem. A, 2010, 114, 3, 1357-1363, https://doi.org/10.1021/jp906238v
. [all data]
Evlasheva, Potapov, et al., 1975
Evlasheva, T.I.; Potapov, V.K.; Tulupov, V.A.,
The structure of the ammonium chloride molecule,
Russ. J. Phys. Chem., 1975, 49, 738. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation 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.