| Revision as of 04:43, 27 June 2011 editLuckas-bot (talk | contribs)929,662 editsm r2.7.1) (robot Adding: vi:Natri metavanađat← Previous edit |
Latest revision as of 14:14, 24 January 2024 edit undoMaxim Masiutin (talk | contribs)Extended confirmed users, IP block exemptions, Pending changes reviewers31,043 edits Added bibcode. Removed parameters. |
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| verifiedrevid = 395341328 |
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| Name = Sodium vanadate |
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| verifiedrevid = 436447057 |
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| ImageFile = |
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| Name = Sodium metavanadate |
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| ImageFile = NaVO3.tif |
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| ImageName = Sodium vanadate |
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| ImageSize = 300 px |
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| IUPACName = Sodium trioxovanadate(1–) |
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| IUPACName = Sodium trioxovanadate(V) |
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| OtherNames = Sodium vanadate<br/>]<br/>] |
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| Section1 = {{Chembox Identifiers |
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|Section1={{Chembox Identifiers |
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| CASNo = 13718-26-8 |
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| CASNo = 13718-26-8 |
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| CASNo_Ref = {{cascite|correct|CAS}} |
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| CASNo_Ref = {{cascite|correct|CAS}} |
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| UNII_Ref = {{fdacite|correct|FDA}} |
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| PubChem = 4148882 |
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| RTECS = YW1050000 |
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| UNII = 252S9L5606 |
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| PubChem = 4148882 |
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| ChEBI_Ref = {{ebicite|changed|EBI}} |
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| ChEBI = 75221 |
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| RTECS = YW1050000 |
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| InChI = 1S/Na.3O.V/q+1;;;-1; |
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| SMILES = (=O)=O. |
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| EINECS = 237-272-7 |
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| Section2 = {{Chembox Properties |
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|Section2={{Chembox Properties |
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| Formula = NaVO<sub>3</sub> |
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| Formula = NaVO<sub>3</sub> |
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| MolarMass = 121.9295 g/mol |
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| MolarMass = 121.9295 g/mol |
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| Appearance = yellow crystalline solid <br> ] |
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| Appearance = yellow crystalline solid |
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| Density = 5.15 g/cm<sup>3</sup> |
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| Density = 2.84g/cm<sup>3</sup> |
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| Solubility = soluble |
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| Solubility = 19.3 g/100 mL (20 °C) <br> 40.8 g/100 mL (80 °C) |
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| MeltingPt = 630 °C |
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| MeltingPtC = 630 |
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| BoilingPt = |
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| BoilingPt = |
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| Section3 = {{Chembox Structure |
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|Section3={{Chembox Structure |
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| CrystalStruct = |
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| Coordination = |
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| Section7 = {{Chembox Hazards |
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|Section5={{Chembox Thermochemistry |
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| DeltaHf = −1148 kJ/mol |
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| ExternalMSDS = |
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| Entropy = 113.8 J/mol K |
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| EUIndex = Not listed |
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| HeatCapacity = 97.6 J/mol K |
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| RPhrases = |
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| SPhrases = |
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| MainHazards = Toxic, irritant |
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| NFPA-H = 2 |
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| NFPA-F = 0 |
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| NFPA-R = 0 |
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| NFPA-O = |
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| FlashPt = Non-flammable |
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| Section8 = {{Chembox Related |
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|Section7={{Chembox Hazards |
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| ExternalSDS = |
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| OtherAnions = ] |
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| OtherCations = ]<br/>] |
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| OtherCpds = ] |
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| MainHazards = Toxic, irritant |
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| NFPA-H = 2 |
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| NFPA-F = 0 |
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| NFPA-R = 0 |
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| NFPA-S = |
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| FlashPt = Non-flammable |
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| LD50 = 98 mg/kg (rat, oral) |
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|Section8={{Chembox Related |
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| OtherAnions = ] |
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| OtherCations = ] |
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| OtherCompounds = |
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<sup>−</sup> units, each sharing two corners]] |
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'''Sodium metavanadate''' is the ] with the formula NaVO<sub>3</sub>.<ref>{{cite journal|last1=Kato|first1= K.|last2= Takayama|first2= E. |title=Das Entwässerungsverhalten des Natriummetavanadatdihydrats und die Kristallstruktur des beta-Natriummetavanadats|trans-title=The dehydration activity of sodium metavanadate dihydrate and the crystal structure of β-sodium metavanadate|journal=]|date= 1984 |volume =B40 |issue= 2|pages=102–105|doi=10.1107/S0108768184001828|bibcode= 1984AcCrB..40..102K}}</ref> It is a yellow, water-soluble salt. |
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'''Sodium metavanadate''' is a yellow solid which is soluble in water. Its use is limited to its ] property. Its natural forms include mineral ] (]) and a ], ]. Both are very rare, metamunirite is now known only from V- and U-bearing ] formations of central-western USA and munirite from ] and ].<ref>http://www.mindat.org/min-2680.html and http://www.mindat.org/min-2680.html Mindat</ref> |
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Sodium metavanadate is a common precursor to other vanadates. At low pH it converts to sodium ]. It is also precursor to exotic metalates such as <sup>5-</sup>, <sup>4-</sup>, and <sup>5-</sup>.<ref>{{cite book |doi=10.1002/9780470132586.ch17|chapter=Vanadium(V) Substituted Dodecatungstophosphates|year=2007|last1=Domaille|first1=Peter J.|title=Inorganic Syntheses |volume=27 |pages=96–104|isbn=9780470132586}}</ref> |
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==Minerals== |
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Sodium metavanadate occurs as two minor minerals, ] (]) and a ], ]. Both are very rare, metamunirite is now known only from ]- and ]-bearing ] formations of central-western USA and munirite from ] and ].<ref>{{cite web|url=http://www.mindat.org/min-2680.html|website= Mindat|title=Munirite}}</ref> |
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== References == |
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== References == |
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{{reflist}} |
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{{Sodium compounds}} |
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