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Caesium perchlorate: Difference between revisions

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{{chembox
{{chembox
| Watchedfields = changed
| verifiedrevid = 396306603
| verifiedrevid = 443114551
| Reference = <ref name="perry">{{citation | first1 = Dale L. | last1 = Perry | first2 = Sidney L. | last2 = Phillips | title = Handbook of Inorganic Compounds | publisher = CRC Press | year = 1995}}.</ref><ref name="chtas">{{citation | first1 = F. | last1 = Brezina | first2 = J. | last2 = Mollin | first3 = R. | last3 = Pastorek | first4 = Z. | last4 = Sindelar | title = Chemicke tabulky anorganickych sloucenin | publisher = SNTL | year = 1986}}.</ref>
| Reference = <ref name="perry">{{citation | first1 = Dale L. | last1 = Perry | first2 = Sidney L. | last2 = Phillips | title = Handbook of Inorganic Compounds | publisher = CRC Press | year = 1995}}.</ref><ref name="chtas">{{citation | first1 = F. | last1 = Brezina | first2 = J. | last2 = Mollin | first3 = R. | last3 = Pastorek | first4 = Z. | last4 = Sindelar | title = Chemicke tabulky anorganickych sloucenin | publisher = SNTL | year = 1986}}.</ref>
| ImageFile = cesium perchlorate.png
| ImageFile = cesium perchlorate.png
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| IUPACName = Caesium perchlorate
| IUPACName = Caesium perchlorate
| OtherNames = Cesium perchlorate
| OtherNames = Cesium perchlorate
| Section1 = {{Chembox Identifiers
|Section1={{Chembox Identifiers
| InChI = 1/ClHO4.Cs/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1
| InChI = 1/ClHO4.Cs/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1
| SMILES = [Cs+].[O-]Cl(=O)(=O)=O
| SMILES = [Cs+].[O-]Cl(=O)(=O)=O
| InChIKey = WKDKOOITVYKILI-REWHXWOFAB
| InChIKey = WKDKOOITVYKILI-REWHXWOFAB
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
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| CASNo_Ref = {{cascite|correct|??}}
| CASNo_Ref = {{cascite|correct|??}}
| CASNo = 13454-84-7
| CASNo = 13454-84-7
| EINECS = 236-643-0
| EINECS = 236-643-0
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 109912
| ChemSpiderID = 109912
| PubChem = 3035378
| PubChem = 3035378
}}
}}
| Section2 = {{Chembox Properties
|Section2={{Chembox Properties
<!-- | Cs = 1 | Cl = 1 | O = 4 -->
<!-- | Cs=1 | Cl=1 | O=4-->
| Formula = CsClO<sub>4</sub>
| Formula = CsClO<sub>4</sub>
| MolarMass = 232.36 g/mol
| MolarMass = 232.36 g/mol
| Appearance = Colorless crystalls
| Appearance = Colorless crystals
| Density = 3.327 g/cm<sup>3</sup>
| Density = 3.327 g/cm<sup>3</sup>
| MeltingPt = 250 °C decomp.
| MeltingPtC = 250
| MeltingPt_notes = (decomposes)
| Solubility = 1.974 g/100 ml (25 ºC)
| Solubility = 1.974 g/100 ml (25 °C)
| SolubilityProduct = 3.95{{e|&minus;3}}<ref name="crc">{{cite book |author1=John Rumble |title=CRC Handbook of Chemistry and Physics |date=June 18, 2018 |publisher=CRC Press |isbn=978-1138561632 |pages=5–188|edition=99 |language=English}}</ref>
| RefractIndex = 1.4887
}}
}}
| Section3 = {{Chembox Structure
|Section3={{Chembox Structure
| CrystalStruct = [[orthorhombic]] (<219 °C)<br/>[[Cubic crystal system|cubic]] (>219 ºC, ''a''&nbsp;= 798&nbsp;pm)
| CrystalStruct = [[orthorhombic]] (<219 °C)<br/>[[Cubic crystal system|cubic]] (>219 °C, ''a''&nbsp;= 798&nbsp;pm)
| SpaceGroup = Pnma (<219 °C)<br/>F43m (>219 ºC)
| SpaceGroup = Pnma (<219 °C)<br/>F43m (>219 °C)
| LattConst_a = 982 pm
| LattConst_a = 982 pm
| LattConst_b = 600 pm
| LattConst_b = 600 pm
| LattConst_c = 779 pm (orthorhombic, <219&nbsp;°C)
| LattConst_c = 779 pm (orthorhombic, <219&nbsp;°C)
| Coordination =
| Coordination =
}}
}}
| Section7 = {{Chembox Hazards
|Section7={{Chembox Hazards
| ExternalMSDS = [http://www.espimetals.com/msds's/cesiumperchlorate.pdf External MSDS]
| ExternalSDS = [http://www.espimetals.com/msds's/cesiumperchlorate.pdf External MSDS]
⚫
| FlashPt = Non-flammable
| EUIndex = not listed
⚫
| FlashPt = non-flammable
}}
}}
| Section8 = {{Chembox Related
|Section8={{Chembox Related
| OtherAnions = [[Caesium chloride]]<br/>[[Caesium chlorate]]
| OtherAnions = [[Caesium chloride]]<br/>[[Caesium chlorate]]
| OtherCations = [[Lithium perchlorate]]<br/>[[Sodium perchlorate]]<br/>[[Potassium perchlorate]]<br/>[[Rubidium perchlorate]]
| OtherCations = [[Lithium perchlorate]]<br/>[[Sodium perchlorate]]<br/>[[Potassium perchlorate]]<br/>[[Rubidium perchlorate]]
}}
}}
}}
}}


'''Caesium perchlorate''', CsClO<sub>4</sub> (also known as cesium perchlorate), is a [[perchlorate]] of [[caesium]]. It forms white [[Hygroscopy|hygroscopic]] crystals, which are soluble in water and [[ethanol]].
'''Caesium perchlorate''' or '''cesium perchlorate''' (CsClO<sub>4</sub>), is a [[perchlorate]] of [[caesium]]. It forms white crystals, which are sparingly soluble in cold water and [[ethanol]]. It dissolves more easily in hot water.


CsClO<sub>4</sub> is the least soluble of the alkali metal perchlorates (followed by Rb, K, Li, and Na), a property which may be used for separatory purposes and even for [[gravimetric analysis]]. <ref>{{Greenwood&Earnshaw1st|page=1017}}.</ref> This low solubility played an important role in the characterization of [[francium]] as an alkali metal, as francium perchlorate [[Coprecipitation|coprecipitates]] with caesium perchlorate.<ref>{{citation | first = E. K. | last = Hyde | title = Radiochemical Methods for the Isolation of Element 87 (Francium) | year = 1952 | journal = J. Am. Chem. Soc. | volume = 74 | issue = 16 | pages = 4181–84 | doi = 10.1021/ja01136a066}}</ref>
CsClO<sub>4</sub> is the second least soluble of the alkali metal perchlorates (after Fr, followed by Rb, K, Li, and Na), a property which may be used for separatory purposes and even for [[gravimetric analysis]].<ref>{{Greenwood&Earnshaw1st|page=1017}}.</ref> This low solubility played an important role in the characterization of [[francium]] as an alkali metal, as francium perchlorate [[Coprecipitation|coprecipitates]] with caesium perchlorate.<ref>{{citation | first = E. K. | last = Hyde | title = Radiochemical Methods for the Isolation of Element 87 (Francium) | year = 1952 | journal = J. Am. Chem. Soc. | volume = 74 | issue = 16 | pages = 4181–84 | doi = 10.1021/ja01136a066| hdl = 2027/mdp.39015086483156 | hdl-access = free }}</ref>


<div style="width:auto; overflow:scroll">
{| class="wikitable"
{| class="wikitable"
|+ Table of solubility in water<ref name="perry"/><ref name="chtas"/>
|+ Table of solubility in water<ref name="perry"/><ref name="chtas"/>
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| 28.57
| 28.57
|-
|-
|}
|}</div>


When heated, CsClO<sub>4</sub> decomposes to [[caesium chloride]] above 250&nbsp;°C. Like all perchlorates, it is a strong oxidant and may react violently with reducing agents and organic materials, especially at elevated temperatures.
When heated, CsClO<sub>4</sub> decomposes to [[caesium chloride]] above 250&nbsp;°C. Like all perchlorates, it is a strong oxidant and may react violently with reducing agents and organic materials, especially at elevated temperatures.
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==External links==
==External links==
* [http://caligula.bcs.deakin.edu.au/bcs_admin/msds/msds_docs/Cesium%20perchlorate.pdf Sigma-Aldrich MSDS]
* [https://web.archive.org/web/20070929130014/http://caligula.bcs.deakin.edu.au/bcs_admin/msds/msds_docs/Cesium%20perchlorate.pdf Sigma-Aldrich MSDS]


[[Category:Caesium compounds]]
[[Category:Caesium compounds]]
[[Category:Perchlorates]]
[[Category:Perchlorates]]
[[Category:Oxidizing agents]]


{{Caesium compounds}}
{{Caesium compounds}}
{{Perchlorates}}

[[ar:فوق كلورات السيزيوم]]
[[fr:Perchlorate de césium]]
[[zh:高氯酸銫]]
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