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Revision as of 17:27, 24 September 2011 editPerry798 (talk | contribs)40 editsm Added: Safety: Aluminium selenide should be stored and handled away from moisture and air.← Previous edit		Latest revision as of 14:11, 24 January 2024 edit undoMaxim Masiutin (talk | contribs)Extended confirmed users, IP block exemptions, Pending changes reviewers31,058 edits Used lowercase "cite" template everywhere for consistency.
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	{{chembox		{{Chembox
			| Watchedfields = changed
	| verifiedrevid = 431675657		| verifiedrevid = 452223178
	| Name = Aluminium selenide		| Name = Aluminium selenide
	| Reference = <ref name="hand">		| Reference = <ref name="hand">
	{{Cite book		{{cite book
	| last = Lide		| last = Lide
	| first = David R.		| first = David R.
	| author-link =		| year = 1998
		⚫	| title = Handbook of Chemistry and Physics
	| year = 1998
		⚫	| edition = 87
⚫	| title = Handbook of Chemistry and Physics
		⚫	| publication-place = Boca Raton, Florida
⚫	| edition = 87
		⚫	| publisher = CRC Press
⚫	| publication-place = Boca Raton, FL
			| isbn = 0-8493-0594-2
⚫	| publisher = CRC Press
	| isbn = 0-8493-0594-2		| pages = 4–40
	| pages = 4–40
	| postscript = <!-- Bot inserted parameter. Either remove it; or change its value to "." for the cite to end in a ".", as necessary. -->{{inconsistent citations}}
	}}</ref>		}}</ref>
	| ImageFile = AlSestructure.png		| ImageFile = AlSestructure.png
	| ImageSize =		| ImageSize =
	| ImageName = Aluminum selenide		| ImageName = Aluminum selenide
	| OtherNames = Aluminium(III) selenide		| OtherNames = Aluminium(III) selenide
	| Section1 = {{Chembox Identifiers		|Section1={{Chembox Identifiers
	| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}		| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
	| ChemSpiderID = 144477		| ChemSpiderID = 144477
			| EC_number = 215-110-6
			| UNII = 4R7PMP996Q
			| DTXSID = DTXSID80894848
	| InChI = 1/2Al.3Se/q2*+3;3*-2		| InChI = 1/2Al.3Se/q2*+3;3*-2
	| InChIKey = CYRGZAAAWQRSMF-UHFFFAOYAJ		| InChIKey = CYRGZAAAWQRSMF-UHFFFAOYAJ
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	| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}		| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
	| StdInChIKey = CYRGZAAAWQRSMF-UHFFFAOYSA-N		| StdInChIKey = CYRGZAAAWQRSMF-UHFFFAOYSA-N
			| CASNo_Ref = {{cascite|correct|??}}
	| CASNo = 1302-82-5		| CASNo = 1302-82-5
	| PubChem = 164804		| PubChem = 164804
			| EINECS =
	}}		}}
	| Section2 = {{Chembox Properties		|Section2={{Chembox Properties
	| Formula = Al<sub>2</sub>Se<sub>3</sub>		| Formula = Al<sub>2</sub>Se<sub>3</sub>
	| MolarMass = 290.84 g/mol		| MolarMass = 290.84 g/mol
	| Appearance = yellow to brown powder		| Appearance = yellow to brown powder
	| Density = 3.437 g/cm<sup>3</sup>		| Odor = odorless
			| Density = 3.437 g/cm<sup>3</sup>
	| Solubility = decomposes		| Solubility = decomposes
	| MeltingPt = 960 °C		| MeltingPtC = 947
	| BoilingPt =		| BoilingPtC =
	}}		}}
	| Section3 = {{Chembox Structure		|Section3={{Chembox Structure
	| CrystalStruct = ], ], ] Cc, No. 9<ref>{{cite journal|last1=Steigmann|first1=G. A.|last2=Goodyear|first2=J.|title=The crystal structure of Al2Se3|journal=Acta Crystallographica|volume=20|pages=617|year=1966|doi=10.1107/S0365110X66001506}}</ref>		| CrystalStruct = ], ], ] Cc, No. 9<ref>{{cite journal|last1=Steigmann|first1=G. A.|last2=Goodyear|first2=J.|title=The crystal structure of Al<sub>2</sub>Se<sub>3</sub>|journal=Acta Crystallographica|volume=20|issue=5|pages=617|year=1966|doi=10.1107/S0365110X66001506|doi-access=free|bibcode=1966AcCry..20..617S }}</ref>
	}}		}}
	| Section7 = {{Chembox Hazards		|Section4={{Chembox Thermochemistry
	| EUClass = not listed		| DeltaHf = -566.9 kJ/mol
	| NFPA-H = 3		| Entropy = 154.8 J/mol K
			}}
⚫	| NFPA-R = 3
			|Section7={{Chembox Hazards
⚫	| NFPA-F = 0
			| GHSPictograms = {{GHS06}}{{GHS08}}{{GHS09}}
			| GHSSignalWord = Danger
			| HPhrases = {{H-phrases|301|331|373|410}}
			| PPhrases = {{P-phrases|260|261|264|270|271|273|301+310|304+340|311|314|321|330|391|403+233|405|501}}
			| NFPA-H = 3
		⚫	| NFPA-R = 3
		⚫	| NFPA-F = 0
	}}		}}
	}}		}}
	'''Aluminium selenide''' is the ] with the ] ]<sub>2</sub>]<sub>3</sub>.		'''Aluminium selenide''' is the ] with the ] ]<sub>2</sub>]<sub>3</sub>.
			==Preparation==
	It is a solid prepared by igniting a mixture of the elements:		It is a solid prepared by igniting a mixture of the elements at {{convert|1000|C}}:
	:2 Al + 3 Se → Al<sub>2</sub>Se<sub>3</sub>		:2 Al + 3 Se → Al<sub>2</sub>Se<sub>3</sub>
	The pure compound is white, but typical samples are coloured.<ref name=Waitkins>G. R. Waitkins, R. Shutt "Aluminum Selenide and Hydrogen Selenide" Inorganic Syntheses, 1946, vol. 2, pp. 183–186. {{DOI|10.1002/9780470132333.ch55}}</ref> Samples of aluminium selenide must be protected from moisture, because the compound hydrolyzes readily, giving off highly toxic hydrogen selenide gas:<ref name=Ullmann>Bernd E. Langner "Selenium and Selenium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. {{DOI|10.1002/14356007.a23_525}}.</ref>		The pure compound is white, but typical samples are coloured.<ref name=Waitkins>{{cite book | last1 = Waitkins | first1 = G. R. | last2 = Shutt | first2 = R. | chapter = Aluminum Selenide and Hydrogen Selenide | year = 1946 | title = Inorganic Syntheses | volume = 2 | pages = 183–186 | doi = 10.1002/9780470132333.ch55 | isbn = 9780470132333 }}</ref> Samples are usually protected from moisture, because they hydrolyze readily, giving off highly toxic ] gas:<ref name=Ullmann>Langner, Bernd E. (2005) "Selenium and Selenium Compounds" in ''Ullmann's Encyclopedia of Industrial Chemistry'', Wiley-VCH, Weinheim. {{doi|10.1002/14356007.a23_525}}</ref>
	:Al<sub>2</sub>Se<sub>3</sub> + 3 H<sub>2</sub>O → Al<sub>2</sub>O<sub>3</sub> + 3 H<sub>2</sub>Se		:Al<sub>2</sub>Se<sub>3</sub> + 3 H<sub>2</sub>O → Al<sub>2</sub>O<sub>3</sub> + 3 H<sub>2</sub>Se
			==Use==
	Al<sub>2</sub>Se<sub>3</sub> has been used as a precursor to ], which is released when the solid is treated with acids.<ref name=Waitkins/>		Al<sub>2</sub>Se<sub>3</sub> has been used as a precursor to hydrogen selenide, which is released when the solid is treated with acids.<ref name=Waitkins/>
	Safety
	Aluminium selenide should be stored and handled away from moisture and air.
	==References==		==References==
	{{Reflist}}		{{Reflist}}
		⚫	{{Aluminium compounds}}
			{{Selenides}}
	]		]
	]		]
	{{inorganic-compound-stub}}
⚫	{{Aluminium compounds}}
	]
	]
	]
	]