{{위키데이터 속성 추적}}
{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 476995997
| Name = 염화 코발트(II)<br />Cobalt(II) chloride
| ImageFileL1 = Cobaltous chloride anhydrous.jpg
| ImageCaptionL1 = Anhydrous
| ImageFileR1 = Cobaltous chloride.jpg
| ImageCaptionR1 = Hexahydrate
| ImageFile2 = Cobalt(II)-chloride-3D-balls.png
| ImageCaption2 = Structure of anhydrous compound
| ImageFile3 = MCl2(aq)6forFeCoNi.png
| ImageCaption3 = Structure of hexahydrate
| IUPACName = Cobalt(II) chloride
| OtherNames = Cobaltous chloride<br/>Cobalt dichloride<br>Muriate of cobalt<ref>{{웹 인용|url=http://www.chemindustry.com/chemicals/0519906.html.|title=Cobalt muriate, CAS Number: 7646-79-9|website=www.chemindustry.com|access-date=19 April 2018|archive-date=2019-05-28|archive-url=https://web.archive.org/web/20190528032158/http://www.chemindustry.com/chemicals/0519906.html.|url-status=}}</ref>
|Section1={{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 22708
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = EVS87XF13W
| UNII1_Ref = {{fdacite|correct|FDA}}
| UNII1 = 17AVG63ZBC
| UNII1_Comment = (hexahydrate)
| InChI = 1/2ClH.Co/h2*1H;/q;;+2/p-2
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 35696
| SMILES = Cl[Co]Cl
| InChIKey = GVPFVAHMJGGAJG-NUQVWONBAU
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/2ClH.Co/h2*1H;/q;;+2/p-2
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = GVPFVAHMJGGAJG-UHFFFAOYSA-L
| CASNo = 7646-79-9
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo2_Ref = {{cascite|changed|CAS}}
| CASNo2 = 16544-92-6
| CASNo2_Comment = (dihydrate)
| CASNo3_Ref = {{cascite|correct|CAS}}
| CASNo3 = 7791-13-1
| CASNo3_Comment = (hexahydrate)
| PubChem = 3032536
| RTECS = GF9800000
| UNNumber = 3288
| EINECS = 231-589-4
 }}
|Section2={{Chembox Properties
| Formula = CoCl<sub>2</sub>
| MolarMass = 129.839 g/mol (anhydrous) <br> 165.87 g/mol (dihydrate) <br/>237.93 g/mol (hexahydrate)
| Appearance = blue crystals (anhydrous) <br> violet-blue (dihydrate) <br>  rose red crystals (hexahydrate)
| Density = 3.356 g/cm<sup>3</sup> (anhydrous) <br> 2.477 g/cm<sup>3</sup> (dihydrate) <br> 1.924 g/cm<sup>3</sup> (hexahydrate)
| Solubility = 43.6 g/100 mL (0&nbsp;°C) <br> 45 g/100 mL (7&nbsp;°C)<br/>52.9 g/100 mL (20&nbsp;°C) <br> 105 g/100 mL (96&nbsp;°C)
| SolubleOther = 38.5 g/100 mL (methanol) <br> 8.6 g/100 mL (acetone) <br> soluble in [[ethanol]], [[pyridine]], [[glycerol]]
| MeltingPtC = 726
| MeltingPt_notes = ±2 (anhydrous)<ref name="wojak">Wojakowska, A., Krzyżak, E. and Plińska, S. (2007): "Melting and high-temperature solid state transitions in cobalt(II) halides".  ''Journal of Thermal Analysis and Calorimetry'', volume 88, issue 2, pages 525-530. {{doi|10.1007/s10973-006-8000-9}}</ref> <br> 140&nbsp;°C (monohydrate) <br> 100&nbsp;°C (dihydrate) <br> 86&nbsp;°C (hexahydrate)
| BoilingPtC = 1049
| MagSus = +12,660·10<sup>−6</sup> cm<sup>3</sup>/mol
 }}
|Section3={{Chembox Structure
| Coordination = hexagonal (anhydrous) <br> monoclinic (dihydrate) <br> [[Octahedron|Octahedral]] (hexahydrate)
| CrystalStruct = [[Cadmium chloride#Structure|CdCl<sub>2</sub> structure]]
 }}
|Section7={{Chembox Hazards
| ExternalSDS = [http://www.inchem.org/documents/icsc/icsc/eics0783.htm ICSC 0783]
| GHSPictograms = {{GHS06}} {{GHS08}} {{GHS09}}
| GHSSignalWord = 
| NFPA-H = 3
| NFPA-F = 0
| NFPA-R = 0
| NFPA-S = 
| NFPA_ref =<ref>[http://datasheets.scbt.com/sc-252623.pdf Santa Cruz Biotechnology: Cobalt(II) chloride]</ref>
| FlashPt = Non-flammable
| LD50 = 80 mg/kg (rat, oral)
 }}
|Section8={{Chembox Related
| OtherAnions = [[Cobalt(II) fluoride]]<br/>[[Cobalt(II) bromide]]<br/>[[Cobalt(II) iodide]]
| OtherCations = [[Rhodium(III) chloride]]<br/>[[Iridium(III) chloride]]
}}
}}
'''염화 코발트(II)'''(Cobalt(II) chloride)는 [[화학식]] CoCl<sub>2</sub>을 갖는 [[코발트]] 및 [[염소 (원소)|염소]]의 [[무기 화합물]]이다. 이 화합물은 n = 1, 2, 6, 9가 들어가는 여러 수화물 {{chem|CoCl|2}}·''n''{{chem|H|2|O}}을 형성한다. 3~4수화물의 형성에 대한 주장은 확증되지 않고 있다.<ref name=saugier>M. T. Saugier, M. Noailly, R. Cohen-Adad, F. Paulik, and J. Paulik (1977): "Equilibres solide ⇄ liquide ⇆ vapeur du systeme binaire {{chem|CoCl|2}}-{{chem|H|2|O}}" ''Journal of Thermal Analysis'', volume 11, issue 1, pages 87–100. {{doi|10.1007/BF02104087}} Note: the lowest point of fig.6 is inconsistent with fig.7; probably should be at -27.8 C instead of 0 C.</ref> 무수물 형태는 파란 결정 고체이다. 2수화물은 자주색을 보이며 6수화물은 분홍색을 보인다. 상용 샘플들은 보통 6수화물이며 이는 연구실에서 가장 흔히 사용되는 코발트 화합물들 가운데 하나이다.<ref name=g&e>{{Greenwood&Earnshaw2nd}}</ref>

== 각주 ==
{{각주}}

== 외부 링크 ==
* [http://www.inchem.org/documents/icsc/icsc/eics0783.htm International Chemical Safety Card 0783]
* [https://web.archive.org/web/20060219230038/http://www.npi.gov.au/database/substance-info/profiles/26.html National Pollutant Inventory – Cobalt fact sheet]
* [https://web.archive.org/web/20051012230942/http://www-cie.iarc.fr/htdocs/monographs/vol52/11-cobaltandcobaltcomp.htm IARC Monograph "Cobalt and Cobalt Compounds"]

{{염화물}}
{{전거 통제}}

[[분류:무기 화합물]]
[[분류:코발트(II) 화합물]]
[[분류:염화물]]
[[분류:IARC 2B군 발암 물질]]
[[분류:금속 할로젠화물]]