Aluminium monochloride
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| Aluminium monochloride | |
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Aluminium monochloride[citation needed] |
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Chloridoaluminium[1] |
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Other names
Aluminium(I) chloride[citation needed] |
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| Identifiers | |
| CAS number | 13595-81-8 |
| PubChem | 5359282 |
| ChemSpider | 4514257  |
| ChEBI | CHEBI:30131 |
| Jmol-3D images | Image 1 |
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| Properties | |
| Molecular formula | AlCl |
| Molar mass | 62.43 g mol−1 |
| Thermochemistry | |
| Std enthalpy of formation ΔfH |
-51.46 kJ mol-1 |
| Standard molar entropy S |
227.95 J K-1 mol-1 |
 (verify) (what is:  / ?)Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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| Infobox references | |
Aluminium monochloride is the metal halide with the formula AlCl. This compound is produced as a step in the Alcan process to smelt aluminium from an aluminium-rich alloy. When the alloy is placed in a reactor that is heated to 1,300°C and mixed with aluminium trichloride, a gas of aluminium monochloride is produced.[2]
- 2[Al]{alloy} + AlCl3{gas} -> 3AlCl{gas}
It then disproportionates into aluminium melt and aluminium trichloride upon cooling to 900°C.
This molecule has been detected in the interstellar medium, where molecules are so dilute that intermolecular collisions are unimportant.[3]
[edit] References
- ^ "chloridoaluminium (CHEBI:30131)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute.
- ^ Totten, George E.; MacKenzie, D. Scott (2003). Handbook of Aluminum. CRC Press. ISBN 0-8247-0896-2.
- ^ J. Cernicharo, M. Guelin (1987). "Metals in IRC+10216 - Detection of NaCl, AlCl, and KCl, and tentative detection of AlF". Astronomy and Astrophysics 183 (1): L10–L12. Bibcode:1987A&A...183L..10C.
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