Aluminium(II) oxide

Aluminium(II) oxide or aluminium monoxide is a compound of aluminium and oxygen with the chemical formula AlO. It has been detected in the gas phase after explosion of aluminized grenades in the upper atmosphere^[1][2][3] and in stellar absorption spectra.^[4]

Aluminium(II) oxide

Names
IUPAC name Aluminium(II) oxide
Systematic IUPAC name Oxoalumanyl radical
Other names Aluminium monoxide Oxidoaluminium Oxoaluminum Aluminious oxide
Identifiers
CAS Number	142844-00-6 N
3D model (JSmol)	Interactive image
ChEBI	CHEBI:30128 Y
ChemSpider	125481 Y
Gmelin Reference	349
PubChem CID	142249
CompTox Dashboard (EPA)	DTXSID20162755
InChI InChI=1S/Al.O Y Key: AIRCTMFFNKZQPN-UHFFFAOYSA-N Y InChI=1/Al.O/rAlO/c1-2 Key: AIRCTMFFNKZQPN-IPBSAJSUAY
SMILES O=[Al]
Properties
Chemical formula	AlO
Molar mass	42.98 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Aluminium(II) oxide is one of the aluminium oxides (the most common is Aluminium oxide Al₂O₃), as it was the rare example of aluminium(II) compound since aluminium usually exists in its +3 oxidation state.

See also

• Aluminium oxide
• Aluminium(I) oxide