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Revision as of 08:05, 17 February 2011 editRjwilmsiBot (talk | contribs)Bots, Pending changes reviewers1,602,950 editsm Per WP:ISBN formatted 3 ISBNs using AWB (7596)← Previous edit		Latest revision as of 07:58, 24 September 2023 edit undoMasterTriangle12 (talk | contribs)Extended confirmed users1,291 editsm →PreparationTag: Visual edit
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	{{chembox		{{chembox
	| verifiedrevid = 401619203		| verifiedrevid = 414397405
	| ImageFile		| ImageFile =
	| ImageSize =		| ImageSize =
	| ImageName =		| ImageName =
	| OtherNames = tellurium(VI) oxide		| OtherNames = tellurium(VI) oxide
	| Section1 = {{Chembox Identifiers		| Section1 = {{Chembox Identifiers
			| CASNo = 13451-18-8
			| CASNo_Ref = {{cascite|correct|CAS}}
			| UNII_Ref = {{fdacite|correct|FDA}}
			| UNII = GC5SXW83F8
	| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}		| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
	| ChemSpiderID = 75319		| ChemSpiderID = 75319
			| EC_number = 236-620-5
	| PubChem = 83481		| PubChem = 83481
	| InChI = 1/O3Te/c1-4(2)3		| InChI = 1/O3Te/c1-4(2)3
	| InChIKey = IIXQANVWKBCLEB-UHFFFAOYAH		| InChIKey = IIXQANVWKBCLEB-UHFFFAOYAH
	| SMILES = O=(=O)=O
	| StdInChI_Ref = {{stdinchicite|correct|chemspider}}		| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
	| StdInChI = 1S/O3Te/c1-4(2)3		| StdInChI = 1S/O3Te/c1-4(2)3
	| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}		| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
	| StdInChIKey = IIXQANVWKBCLEB-UHFFFAOYSA-N		| StdInChIKey = IIXQANVWKBCLEB-UHFFFAOYSA-N
	| CASNo = 13451-18-8		| SMILES = O=(=O)=O
	}}		}}
	| Section2 = {{Chembox Properties		| Section2 = {{Chembox Properties
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	| MolarMass = 175.6 g/mol		| MolarMass = 175.6 g/mol
	| Appearance = yellow-orange crystals (α-TeO<sub>3</sub>)		| Appearance = yellow-orange crystals (α-TeO<sub>3</sub>)
	| Density = 5.07 g/cm³, solid		| Density = 5.07 g/cm<sup>3</sup>, solid
	| MeltingPt = 430°C		| MeltingPtC = 430
	| BoilingPt =		| BoilingPt =
	}}		}}
	| Section3 = {{Chembox Structure
	| CrystalStruct =
	}}
	| ]
	|
	|-
	-->
	| Section7 = {{Chembox Hazards		| Section7 = {{Chembox Hazards
	| EUClass = not listed
	}}		}}
	}}		}}
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	==Polymorphs==		==Polymorphs==
	There are two forms, yellow-red α-TeO<sub>3</sub> and grey, rhombohedral, β-TeO<sub>3</sub> which is less reactive.<ref name = "Wiberg&Holleman">''Inorganic Chemistry'',Egon Wiberg, Arnold Frederick Holleman Elsevier 2001 ISBN 0-12-352651-5</ref><br />		There are two forms, yellow-red α-TeO<sub>3</sub> and grey, rhombohedral, β-TeO<sub>3</sub> which is less reactive.<ref name = "Wiberg&Holleman">''Inorganic Chemistry'',Egon Wiberg, Arnold Frederick Holleman Elsevier 2001 {{ISBN|0-12-352651-5}}</ref><br />
	α-TeO<sub>3</sub> has a structure similar to ] with octahedral TeO<sub>6</sub> units that share all vertices.<ref name= "Greenwood">{{Greenwood&Earnshaw}}</ref> <br />		α-TeO<sub>3</sub> has a structure similar to ] with octahedral TeO<sub>6</sub> units that share all vertices.<ref name= "Greenwood">{{Greenwood&Earnshaw}}</ref>
	==Preparation==		==Preparation==
	α-TeO3 can be prepared by heating ], Te(OH)<sub>6</sub> at over 300°C .<ref name = "Wiberg&Holleman">''Inorganic Chemistry'',Egon Wiberg, Arnold Frederick Holleman Elsevier 2001 ISBN 0-12-352651-5</ref> The β-TeO<sub>3</sub> form can be prepared by heating α-TeO<sub>3</sub> in a sealed tube with O<sub>2</sub> and H<sub>2</sub>SO<sub>4</sub>.<br />		α-TeO<sub>3</sub> can be prepared by heating ], Te(OH)<sub>6</sub>, at over 300&nbsp;°C.<ref name="Wiberg&Holleman"/> The β-TeO<sub>3</sub> form can be prepared by heating α-TeO<sub>3</sub> in a sealed tube with O<sub>2</sub> and H<sub>2</sub>SO<sub>4</sub>.<br />
	α-TeO<sub>3</sub> is unreactive to water but is a powerful oxidising agent when heated.<ref name= "Greenwood"/> With alkalis it forms tellurates.<ref name= "Greenwood"/><br />		α-TeO<sub>3</sub> is unreactive to water but is a powerful oxidising agent when heated.<ref name= "Greenwood"/> With alkalis it forms ].<ref name= "Greenwood"/><br />
	α-TeO<sub>3</sub> when heated loses oxygen to form firstly Te<sub>2</sub>O<sub>5</sub> and then ].<ref name = "Wiberg&Holleman">''Inorganic Chemistry'',Egon Wiberg, Arnold Frederick Holleman Elsevier 2001 ISBN 0-12-352651-5</ref>		α-TeO<sub>3</sub> when heated loses oxygen to form firstly Te<sub>2</sub>O<sub>5</sub> and then ].<ref name="Wiberg&Holleman"/>
	==References==		==References==
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	{{Tellurium compounds}}		{{Tellurium compounds}}
			{{Oxides}}
	]		]
	]		]
	]		]
⚫	{{inorganic-compound-stub}}
		⚫	{{inorganic-compound-stub}}
	]
	]
	]
	]
	]