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Revision as of 13:26, 9 August 2011 editCheMoBot (talk | contribs)Bots141,565 edits Updating {{chembox}} (no changed fields - updated 'DrugBank_Ref', 'UNII_Ref', 'ChEMBL_Ref', 'ChEBI_Ref') per Chem/Drugbox validation (report errors or [[u← Previous edit Latest revision as of 18:43, 13 October 2022 edit undo86.144.233.189 (talk)No edit summary 
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{{chembox {{chembox
| Verifiedfields = changed
| verifiedrevid = 400864850
| Watchedfields = changed
| verifiedrevid = 443869712
| ImageFile = Chlorid bismutitý.PNG | ImageFile = Chlorid bismutitý.PNG
| ImageName = Bismuth chloride | ImageName = Bismuth chloride
| ImageFile1 = Bismuth-trichloride-xtal-1982-3D-balls.png | ImageFile1 = Bismuth-trichloride-xtal-1982-3D-balls.png
| ImageName1 = | ImageName1 =
| IUPACName = Bismuth chloride | IUPACName = Bismuth chloride
| OtherNames = Bismuth trichloride, Trichlorobismuth, Trichlorobismuthine, Bismuth(III) chloride | OtherNames = Bismuth trichloride, Trichlorobismuth, Trichlorobismuthine, Bismuth(III) chloride
| Section1 = {{Chembox Identifiers |Section1={{Chembox Identifiers
| Abbreviations = | Abbreviations =
| InChIKey = JHXKRIRFYBPWGE-DFZHHIFOAJ | InChIKey = JHXKRIRFYBPWGE-DFZHHIFOAJ
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| StdInChIKey = JHXKRIRFYBPWGE-UHFFFAOYSA-K | StdInChIKey = JHXKRIRFYBPWGE-UHFFFAOYSA-K
| CASNo = 7787-60-2 | CASNo = 7787-60-2
| CASNo_Ref = {{cascite|correct|CAS}} | CASNo_Ref = {{cascite|correct|CAS}}
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = 4X6566U3SD
| EINECS = | EINECS =
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID=22993 | ChemSpiderID=22993
| PubChem = | PubChem = 24591
| SMILES = Cl(Cl)Cl | SMILES = Cl(Cl)Cl
| InChI = 1/Bi.3ClH/h;3*1H/q+3;;;/p-3 | InChI = 1/Bi.3ClH/h;3*1H/q+3;;;/p-3
| RTECS = | RTECS = EB2690000
| MeSHName = | MeSHName =
| ChEBI_Ref = {{ebicite|correct|EBI}} | ChEBI_Ref = {{ebicite|correct|EBI}}
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| KEGG_Ref = {{keggcite|correct|kegg}} | KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = | KEGG =
}}
| ATCCode_prefix =
|Section2={{Chembox Properties
| ATCCode_suffix =
| ATC_Supplemental =}}
| Section2 = {{Chembox Properties
| Formula = BiCl<sub>3</sub> | Formula = BiCl<sub>3</sub>
| MolarMass = 315.34 g/mol | MolarMass = 315.34 g/mol
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| Density = 4.75 g/cm<sup>3</sup> | Density = 4.75 g/cm<sup>3</sup>
| MeltingPtC = 227 | MeltingPtC = 227
| Melting_notes = | MeltingPt_notes =
| BoilingPtC = 447 | BoilingPtC = 447
| Boiling_notes = | BoilingPt_notes =
| Solubility = Decomposes to bismuth oxychloride|BiOCl | Solubility = Soluble,hydrolyses
| SolubleOther = soluble in ], ], ] | SolubleOther = soluble in ], ], ]
| pKa = | pKa =
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| RefractIndex = | RefractIndex =
| Viscosity = | Viscosity =
| Dipole = }} | Dipole =
| MagSus = -26.5·10<sup>−6</sup> cm<sup>3</sup>/mol }}
| Section3 = {{Chembox Structure |Section3={{Chembox Structure
| CrystalStruct = | CrystalStruct = cubic
| Coordination = | Coordination =
| MolShape = }} | MolShape = }}
| Section4 = {{Chembox Thermochemistry |Section4={{Chembox Thermochemistry
| DeltaHf = | DeltaHf = -1.202 kJ/g
| DeltaHc = | DeltaHc =
| Entropy = | Entropy = 82.9 J/(K mol)
| HeatCapacity = }} | HeatCapacity = 0.333 J/(g K) }}
| Section5 = {{Chembox Pharmacology |Section5={{Chembox Pharmacology
| AdminRoutes = | AdminRoutes =
| Bioavail = | Bioavail =
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| Legal_AU = | Legal_AU =
| Legal_CA = | Legal_CA =
| PregCat = | Pregnancy_category =
| PregCat_AU = | Pregnancy_AU =
| PregCat_US = }} | Pregnancy_US = }}
| Section6 = {{Chembox Explosive |Section6={{Chembox Explosive
| ShockSens = | ShockSens =
| FrictionSens = | FrictionSens =
| ExplosiveV = | DetonationV =
| REFactor = }} | REFactor = }}
| Section7 = {{Chembox Hazards |Section7={{Chembox Hazards
| ExternalMSDS = | ExternalSDS =
| EUClass =
| EUIndex =
| MainHazards = | MainHazards =
| NFPA-H = 2 | NFPA-H = 2
| NFPA-F = 0 | NFPA-F = 0
| NFPA-R = 0 | NFPA-R = 0
| NFPA-O = | NFPA-S =
| RPhrases =
| SPhrases =
| RSPhrases =
| FlashPt = | FlashPt =
| Autoignition = | AutoignitionPt =
| ExploLimits = | ExploLimits =
| LD50 = 3324 mg/kg, oral (rat) | LD50 = 3324 mg/kg, oral (rat)
| PEL = }} | PEL = }}
| Section8 = {{Chembox Related |Section8={{Chembox Related
| OtherAnions = ], ], ] | OtherAnions = ], ], ]
| OtherCations = ], ], ] | OtherCations = ], ], ]
| OtherFunctn = | OtherFunction =
| Function = | OtherFunction_label =
| OtherCpds = }} | OtherCompounds = }}
}} }}
'''Bismuth chloride''' is an ] with the chemical formula BiCl<sub>3</sub>. It is a common source of the Bi<sup>3+</sup> ion. In the gas phase and in the crystal, the species adopts a pyramidal structure, in accord with ]. '''Bismuth chloride''' (or '''butter of bismuth''') is an ] with the chemical formula BiCl<sub>3</sub>. It is a covalent compound and is the common source of the Bi<sup>3+</sup> ion. In the gas phase and in the crystal, the species adopts a pyramidal structure, in accord with ].


==Preparation== ==Preparation==
Bismuth chloride is synthesized directly by passing ] over ]. Bismuth chloride can be synthesized directly by passing ] over ].


:2 Bi + 3 Cl<sub>2</sub> → 2 BiCl<sub>3</sub> :2 Bi + 3 Cl<sub>2</sub> → 2 BiCl<sub>3</sub>
or by dissolving bismuth metal in ], evaporating the mixture to give BiCl<sub>3</sub>·2H<sub>2</sub>O, which can be distilled to form the anhydrous trichloride.<ref name="norman1">{{cite book| title = Chemistry of arsenic, antimony, and bismuth| first1 = S. M. |last1 =Godfrey| first2 = C. A. |last2 =McAuliffe| first3 = A. G. |last3 =Mackie| first4 = R. G. |last4 =Pritchard| editor = Nicholas C. Norman| publisher = Springer| year = 1998| isbn = 0-7514-0389-X| page = 90}}</ref>


Alternatively, the chloride salt may be prepared by adding ] to ] and evaporating the solution. Alternatively, it may be prepared by adding ] to ] and evaporating the solution.


Bi<sub>2</sub>O<sub>3</sub> + 6 HCl → 2 BiCl<sub>3</sub> + 3 H<sub>2</sub>O :Bi<sub>2</sub>O<sub>3</sub> + 6 HCl → 2 BiCl<sub>3</sub> + 3 H<sub>2</sub>O


Also, the compound can be prepared by dissolving bismuth in concentrated ] and then adding solid ] into this solution. <ref>Pradyot Patnaik. ''Handbook of Inorganic Chemicals''. McGraw-Hill, 2002, ISBN 0070494398</ref> Also, the compound can be prepared by dissolving bismuth in concentrated ] and then adding solid ] into this solution.<ref>Pradyot Patnaik. ''Handbook of Inorganic Chemicals''. McGraw-Hill, 2002, {{ISBN|0-07-049439-8}}</ref>


:Bi + 6 HNO<sub>3</sub> → Bi(NO<sub>3</sub>)<sub>3</sub> + 3 H<sub>2</sub>O + 3 NO<sub>2</sub> :Bi + 6 HNO<sub>3</sub> → Bi(NO<sub>3</sub>)<sub>3</sub> + 3 H<sub>2</sub>O + 3 NO<sub>2</sub>
:Bi(NO<sub>3</sub>)<sub>3</sub> + 3 NaCl → BiCl<sub>3</sub> + 3 NaNO<sub>3</sub> :Bi(NO<sub>3</sub>)<sub>3</sub> + 3 NaCl → BiCl<sub>3</sub> + 3 NaNO<sub>3</sub>

==Structure ==
In the gas phase BiCl<sub>3</sub> is pyramidal with a Cl–Bi–Cl angle of 97.5° and a bond length of 242&nbsp;pm.<ref>Töke, Orsolya, and Magdolna Hargittai. "Molecular structure of bismuth trichloride from combined electron diffraction and vibrational spectroscopic study." Structural Chemistry 6.2 (1995): 127–130.</ref> In the solid state, each Bi atom has three near neighbors at 250&nbsp;pm, two at 324&nbsp;pm and three at a mean of 336&nbsp;pm,<ref name = "Wells">Wells A.F. (1984) ''Structural Inorganic Chemistry'' 5th edition, pp. 879–884, Oxford Science Publications, {{ISBN|0-19-855370-6}}</ref> the image above highlights the three closest neighbours. This structure is similar to that of ], AsBr<sub>3</sub>, ] and SbBr<sub>3</sub>.


==Chemistry== ==Chemistry==
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| publisher = BiblioBazaar, LLC | publisher = BiblioBazaar, LLC
| year = 2008 | year = 2008
| isbn = 0559318774 | isbn = 978-0-559-31877-1
| page = 191 | page = 191
}}</ref> }}</ref>


:{{chem|Bi|3+}} + {{chem|Cl|-}} + {{chem|H|2|O}} BiOCl (s) + 2 {{chem|H|+}} :{{chem|Bi|3+}}(aq) + {{chem|Cl|-}}(aq) + {{chem|H|2|O}}(l) BiOCl (s) + 2 {{chem|H|+}}(aq)


This reaction can be suppressed by adding an acid, such as ].<ref>{{cite book This reaction can be reversed by adding an acid, such as ].<ref>{{cite book
| title = Chemical Solutions | title = Chemical Solutions
| author = Frank Welcher | author = Frank Welcher
| publisher = READ BOOKS | publisher = READ BOOKS
| year = 2008 | year = 2008
| isbn = 1443729078 | isbn = 978-1-4437-2907-9
| page = 48 | page = 48
}}</ref> }}</ref>

Reaction of solid BiCl<sub>3</sub> with water vapour below 50&nbsp;°C has been shown to produce the intermediate monohydrate, BiCl<sub>3</sub>·H<sub>2</sub>O.<ref name="WosylusHoffmann2010">{{cite journal|last1=Wosylus|first1=Aron|last2=Hoffmann|first2=Stefan|last3=Schmidt|first3=Marcus|last4=Ruck|first4=Michael|title=In-situ Study of the Solid-Gas Reaction of BiCl<sub>3</sub> to BiOCl via the Intermediate Hydrate BiCl<sub>3</sub>·H<sub>2</sub>O|journal=European Journal of Inorganic Chemistry|volume=2010|issue=10|year=2010|pages=1469–1471|issn=1434-1948|doi=10.1002/ejic.201000032}}</ref>


Bismuth chloride is an oxidizing agent, being readily reduced to metallic bismuth by reducing agents. Bismuth chloride is an oxidizing agent, being readily reduced to metallic bismuth by reducing agents.


===Chloro complexes=== ===Chloro complexes===
In contrast to the usual expectation by consistency with periodic trends, BiCl<sub>3</sub> is a ], forming a variety of chloro complexes such as <sup>3−</sup> that strongly violates the ]. Furthermore the octahedral structure of this ] does not follow the predictions of VSEPR theory, since the ] on bismuth is unexpectedly stereochemically inactive. The dianionic complex <sup>2−</sup> does however adopt the expected square pyramidal structure.<ref>Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. ISBN 0-12-352651-5.</ref> In contrast to the usual expectation by consistency with periodic trends, BiCl<sub>3</sub> is a ], forming a variety of chloro complexes such as <sup>3−</sup> that strongly violates the ]. Furthermore, the octahedral structure of this ] does not follow the predictions of VSEPR theory, since the ] on bismuth is unexpectedly stereochemically inactive. The dianionic complex <sup>2−</sup> does however adopt the expected square pyramidal structure.<ref>Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. {{ISBN|0-12-352651-5}}.</ref>


{| class="wikitable" style="margin:1em auto; text-align:center;"
<center>
|]||]||]
{|align="center" class="wikitable"
|<center>]</center>||<center>]</center>||<center>]</center>
|- |-
|<center>Cs<sub>3</sub></center>||<center>Cs<sub>3</sub></center>||<center><sup>3−</sup></center> |Cs<sub>3</sub>||Cs<sub>3</sub>||<sup>3−</sup>
|} |}
</center>


===Organic catalysis=== ===Organic catalysis===


Bismuth chloride is used as a ] in ]. In particular, it catalyzes the ] and the ] reaction. The addition of other metal ]s increases its catalytic activity.<ref>{{cite book Bismuth chloride is used as a ] in ]. In particular, it catalyzes the ] and the ]. The addition of other metal ]s increases its catalytic activity.<ref>{{cite book
| title = Organobismuth chemistry | title = Organobismuth chemistry
| url = https://archive.org/details/organobismuthche00suzu_245
| url-access = limited
| author1 = Hitomi Suzuki | author1 = Hitomi Suzuki
| author2 = Yoshihiro Matano | author2 = Yoshihiro Matano
| publisher = Elsevier | publisher = Elsevier
| year = 2001 | year = 2001
| isbn = 0444205284 | isbn = 0-444-20528-4
| pages = –404
| pages = 403–404
}}</ref> }}</ref>

==Uses==
Bismuth chloride is an excellent ] crystalline source of bismuth. Its aqueous solution conducts ] as does the molten material. It is used to prepare several other bismuth salts, and is a constituent in ]s and ].

==Safety==
Bismuth chloride is toxic. It causes irritation to the gastrointestinal and respiratory tract. Contact with skin may cause burns.


==References== ==References==
{{reflist}} {{reflist}}
{{Bismuth compounds}} {{Bismuth compounds}}
{{Chlorides}}


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