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{{Short description|Chemical compound CsNO<sub>3</sub>}}
{{chembox
{{chembox
| Watchedfields = changed
| verifiedrevid = 396306286
| verifiedrevid = 443431537
| Reference = <ref name="CRC">{{RubberBible62nd|page=B-92}}.</ref>
| Reference = <ref name="CRC">{{RubberBible62nd|page=B-92}}.</ref>
| Name = Caesium nitrate
| Name = Caesium nitrate
| ImageFile = Cesium nitrate.JPG
| Section1 = {{Chembox Identifiers
|Section1={{Chembox Identifiers
| InChI = 1/Cs.NO3/c;2-1(3)4/q+1;-1
| SMILES = [Cs+].[O-][N+]([O-])=O
| InChI = 1/Cs.NO3/c;2-1(3)4/q+1;-1
| SMILES = [Cs+].[O-] [N+]([O-])=O
| InChIKey = NLSCHDZTHVNDCP-UHFFFAOYAE
| InChIKey = NLSCHDZTHVNDCP-UHFFFAOYAE
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
Line 12: Line 15:
| StdInChIKey = NLSCHDZTHVNDCP-UHFFFAOYSA-N
| StdInChIKey = NLSCHDZTHVNDCP-UHFFFAOYSA-N
| CASNo = 7789-18-6
| CASNo = 7789-18-6
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo_Ref = {{cascite|correct|CAS}}
| EC-number = 232-146-8
| EC_number = 232-146-8
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 56425
| ChemSpiderID = 56425
| UNNumber = 1451
| ChEBI = 231514
| UNNumber = 1451
| PubChem = 62674
| RTECS = FL0700000
| UNII = 0K0743KO17
}}
}}
| Section2 = {{Chembox Properties
|Section2={{Chembox Properties
| Formula = CsNO<sub>3</sub>
| Formula = CsNO<sub>3</sub>
| MolarMass = 194.91 g/mol
| MolarMass = 194.91 g/mol
| Appearance = white solid
| Appearance = white solid
| Solubility = 9.16 g/100 ml (0 ºC)<br/>196.8 g/100 ml (100 ºC)
| Solubility = 9.16 g/100 ml (0&nbsp;°C)<br />196.8 g/100 ml (100&nbsp;°C)
| Solubility1 = soluble
| Solubility1 = soluble
| Solvent1 = acetone
| Solvent1 = acetone
| Solubility2 = slightly soluble
| Solubility2 = slightly soluble
| Solvent2 = ethanol
| Solvent2 = ethanol
| Density = 3.685 g/cm<sup>3</sup>
| Density = 3.685 g/cm<sup>3</sup>
| MeltingPt = 414 ºC
| MeltingPtC = 414
| BoilingPt = decomp., ''see text''
| BoilingPt = decomposes, ''see text''
}}
}}
| Section7 = {{Chembox Hazards
|Section7={{Chembox Hazards
⚫
| GHSPictograms = {{GHS flame over circle|Ox. Sol. 3}}
| EUIndex = not listed
⚫
| GHSSignalWord = WARNING
⚫
| GHSPictograms = {{GHS flame over circle|Ox. Sol. 3}}
| HPhrases = {{H-phrases|272|315|319|335}}
⚫
| GHSSignalWord = WARNING
| HPhrases = {{H-phrases|272}}
| PPhrases = {{P-phrases|210|220|221|280|370+378|501}}
⚫
| FlashPt = Non-flammable
| PPhrases = {{P-phrases|210|220|221|280|370+378|501}}
| LD50 = 2390 mg/kg (oral, rat)<ref>{{cite journal|pmid=695884|author1=N Iu Tarasenko|author2=E P Lemeshevskaia|title=Deĭstvie soedineniĭ tseziia na organizm [Effect of cesium compounds on the body]|journal=Vestn Akad Med Nauk SSSR |date=1978|lang=ru}}</ref>
⚫
| FlashPt = non-flammable
}}
}}
| Section8 = {{Chembox Related
|Section8={{Chembox Related
| OtherAnions = [[Caesium nitrite]]
| OtherAnions = [[Caesium nitrite]]
| OtherCations = [[Lithium nitrate]]<br/>[[Sodium nitrate]]<br/>[[Potassium nitrate]]<br/>[[Rubidium nitrate]]
| OtherCations = [[Lithium nitrate]]<br />[[Sodium nitrate]]<br />[[Potassium nitrate]]<br />[[Rubidium nitrate]]
}}
}}
}}
}}


'''Caesium nitrate''' is a [[chemical compound]] with the [[chemical formula]] [[caesium|Cs]][[Nitrogen|N]][[Oxygen|O]]<sub>3</sub>. It is used in [[pyrotechnic composition]]s, as a [[pyrotechnic colorant|colorant]] and an [[oxidizer]], e.g. in [[decoy flare|decoys]] and [[flare (pyrotechnic)|illumination flare]]s. The caesium emissions are chiefly due to two powerful [[spectral line]]s at 852.113&nbsp;nm and 894.347&nbsp;nm.
'''Caesium nitrate''' or '''cesium nitrate''' is a salt with the [[chemical formula]] [[caesium|Cs]][[Nitrate|NO<sub>3</sub>]]. An [[alkali metal nitrate]], it is used in [[pyrotechnic composition]]s, as a [[pyrotechnic colorant|colorant]] and an [[oxidizer]], e.g. in [[decoy flare|decoys]] and [[flare (pyrotechnic)|illumination flare]]s. The [[caesium]] emissions are chiefly due to two powerful [[spectral line]]s at 852.113&nbsp;nm and 894.347&nbsp;nm.{{cn|date=September 2023}}


Caesium nitrate prisms are used in [[infrared spectroscopy]], in [[x-ray]] [[phosphor]]s, and in [[scintillation counter]]s.<ref>{{Merck13th|page=345}}.</ref> It is also used in making optical glasses and lenses.
Caesium nitrate prisms are used in [[infrared spectroscopy]], in [[x-ray]] [[phosphor]]s, and in [[scintillation counter]]s.<ref>{{Merck13th|page=345}}.</ref> It is also used in making optical glasses and lenses.


As with other alkali metal nitrates, caesium nitrate decomposes on gentle heating to give [[caesium nitrite]]:
As with other alkali metal nitrates, caesium nitrate decomposes on gentle heating to give [[caesium nitrite]]:
:{{chem2 | 2 CsNO3 -> 2 CsNO2 + O2 }}
:2CsNO<sub>3</sub> → 2CsNO<sub>2</sub> + O<sub>2</sub>
⚫
Caesium also forms two unusual [[Acid salt|acid nitrates]], which can be described as CsNO<sub>3</sub>·HNO<sub>3</sub> and CsNO<sub>3</sub>·2HNO<sub>3</sub> (melting points 100&nbsp;°C and 36–38&nbsp;°C respectively).<ref name="CRC"/>

⚫
Caesium also forms two unusual [[Acid salt|acid nitrates]], which can be described as CsNO<sub>3</sub>·HNO<sub>3</sub> and CsNO<sub>3</sub>·2HNO<sub>3</sub> (melting points 100&nbsp;ºC and 36–38&nbsp;ºC respectively).<ref name="CRC"/>


==References==
==References==
{{reflist}}
{{reflist}}
{{clear right}}


⚫
{{Caesium compounds}}
==External links==
{{nitrates}}
*[http://www.frankmckinnon.com/cesium_compounds.htm Cesium Compounds: Nuclear Power Plant Emissions]
*[http://www.ermanz.govt.nz/Chemicals/ChemicalDisplay.aspx?SubstanceID=13721 HSNO Chemical Classification Information Database]


[[Category:Caesium compounds]]
[[Category:Caesium compounds]]
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[[Category:Pyrotechnic oxidizers]]
[[Category:Pyrotechnic oxidizers]]
[[Category:Pyrotechnic colorants]]
[[Category:Pyrotechnic colorants]]
[[Category:Oxidizing agents]]




{{inorganic-compound-stub}}
{{inorganic-compound-stub}}
{{Pyrotechnics-stub}}

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{{Caesium compounds}}

[[de:Caesiumnitrat]]
[[it:Nitrato di cesio]]
[[nl:Cesiumnitraat]]
[[ja:硝酸セシウム]]
[[zh:硝酸銫]]
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