al + cl

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Aluminium monochloride
IUPAC name


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Other names

Aluminium(I) chloride[citation needed]


CAS Number

  • 13595-81-8 check

3D model (JSmol)

  • Interactive image
  • CHEBI:30131 check
  • 4514257 check

PubChem CID

  • 5359282

CompTox Dashboard (EPA)

  • DTXSID40159602 Edit this at Wikidata


  • InChI=1S/Al.ClH/h;1H/q+1;/p-1 check



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  • [Al]Cl


Chemical formula

Molar mass 62.43 g·mol−1

Std molar
entropy (S298)

227.95 J K−1 mol−1

Std enthalpy of
formation fH298)

-51.46 kJ mol−1
Related compounds

Related compounds

aluminium monofluoride
gallium monofluoride

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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Infobox references

Xem thêm: sinh năm 2006 mệnh gì

Aluminium monochloride, or chloridoaluminium is the metal halide with the formula AlCl. Aluminium monochloride as a molecule is thermodynamically stable at high temperature and low pressure only.[2] This compound is produced as a step in the Alcan process vĩ đại smelt aluminium from an aluminium-rich alloy. When the alloy is placed in a reactor that is heated vĩ đại 1,300 °C and mixed with aluminium trichloride, a gas of aluminium monochloride is produced.[3]

2 Al(alloy) + AlCl3(gas) → 3 AlCl(gas)

It then disproportionates into aluminium melt and aluminium trichloride upon cooling vĩ đại 900 °C.

This molecule has been detected in the interstellar medium, where molecules are ví dilute that intermolecular collisions are unimportant.[4]

See also[edit]

  • Aluminium monofluoride
  • Aluminium monobromide
  • Aluminium monoiodide


  1. ^ "chloridoaluminium (CHEBI:30131)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute.
  2. ^ Chase, M. W.; Curnutt, J. L.; Prophet, H.; McDonald, R. A.; Syverud, A. N. (1975-01-01). "JANAF thermochemical tables, 1975 supplement". Journal of Physical and Chemical Reference Data. 4 (1): 1–176. Bibcode:1975JPCRD...4....1C. doi:10.1063/1.555517. ISSN 0047-2689.
  3. ^ Totten, George E.; MacKenzie, D. Scott (2003). Handbook of Aluminum. CRC Press. ISBN 0-8247-0896-2.
  4. ^ 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.