{{위키데이터 속성 추적}}
{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 443880274
| Name = 염화 철(II)
| ImageFile1 = Iron(II)-chloride-xtal-sheet-3D-balls-A.png
| ImageCaption1 = Structure of anhydrous ferrous chloride ({{colorbox|purple}} Fe, {{colorbox|green}} Cl)
| ImageSize1 = 188px
| ImageFileR2 = Trans-FeCl2(H2O)4.png
| ImageSizeR2 = 144px
| ImageCaptionR2 =  structure of tetrahydrate
| ImageFileL2 = FeCl2.png
| ImageSizeL2 = 20px
| ImageCaptionL2 = hydrated ferrous chloride
| IUPACName = Iron(II) chloride<br/>Iron dichloride
| OtherNames = Ferrous chloride<br/>[[Rokühnite]]
|Section1={{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 22866
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = S3Y25PHP1W
| InChI = 1/2ClH.Fe/h2*1H;/q;;+2/p-2
| InChIKey = NMCUIPGRVMDVDB-NUQVWONBAL
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 30812
| SMILES = Cl[Fe]Cl
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/2ClH.Fe/h2*1H;/q;;+2/p-2
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = NMCUIPGRVMDVDB-UHFFFAOYSA-L
| CASNo = 7758-94-3
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo2_Ref = {{cascite|changed|??}}
| CASNo2 = 16399-77-2
| CASNo2_Comment = (dihydrate)
| CASNo3_Ref = {{cascite|changed|??}}
| CASNo3 = 13478-10-9
| CASNo3_Comment = (tetrahydrate)
| PubChem = 24458
| RTECS = NO5400000
| EINECS = 231-843-4}}
|Section2={{Chembox Properties
| Formula = FeCl<sub>2</sub>
| MolarMass = 126.751{{nbsp}}g/mol (anhydrous)<br/>198.8102{{nbsp}}g/mol (tetrahydrate)
| Appearance = Tan solid (anhydrous)<br/>Pale green solid (di-tetrahydrate)
| Density = 3.16{{nbsp}}g/cm<sup>3</sup> (anhydrous) <br> 2.39{{nbsp}}g/cm<sup>3</sup> (dihydrate) <br> 1.93{{nbsp}}g/cm<sup>3</sup> (tetrahydrate)
| Solvent1 = THF
| Solubility1 = Soluble
| Solubility = 64.4{{nbsp}}g/100{{nbsp}}mL (10&nbsp;°C),<br/>68.5{{nbsp}}g/100{{nbsp}}mL (20&nbsp;°C),<br/>105.7{{nbsp}}g/100{{nbsp}}mL (100&nbsp;°C)
| MeltingPtC = 677
| MeltingPt_notes = (anhydrous) <br> 120&nbsp;°C (dihydrate) <br> 105&nbsp;°C (tetrahydrate)
| BoilingPtC = 1023
| BoilingPt_notes = (anhydrous)
| LogP = −0.15
| MagSus = +{{val|14750}}·10<sup>−6</sup>{{nbsp}}cm<sup>3</sup>/mol}}
|Section3={{Chembox Structure
| Coordination = Octahedral at Fe
| CrystalStruct = [[Monoclinic]]}}
|Section6={{Chembox Pharmacology
| ATCCode_prefix = B03
| ATCCode_suffix = AA05}}
|Section7={{Chembox Hazards
| ExternalSDS = [https://www.fishersci.com/shop/msdsproxy?productName=I90500&productDescription=FERROUS+CHLORIDE+CERTIED+500G&catNo=I90-500&vendorId=VN00033897&storeId=10652 Iron (II) chloride MSDS]
| MainHazards = 
| NFPA-H = 3
| NFPA-F = 0
| NFPA-R = 0
| NFPA-S = 
| FlashPt = 
| REL = TWA 1{{nbsp}}mg/m<sup>3</sup><ref>{{PGCH|0346}}</ref>}}
|Section8={{Chembox Related
| OtherAnions = [[Iron(II) fluoride]]<br/>[[Iron(II) bromide]]<br/>[[Iron(II) iodide]]
| OtherCations = [[Cobalt(II) chloride]]<br/>[[Manganese(II) chloride]]<br/>[[Copper(II) chloride]]}}}}
'''염화 철(II)'''(Iron(II) chloride)은 화학식 FeCl<sub>2</sub>을 갖는 [[화합물]]이다. 녹는점이 높은 [[상자성]] 고체이다. 이 화합물은 백색이지만 일반적인 샘플은 황백색을 보인다. 이 화합물은 물에 매우 잘 녹으며 이때 창백한 녹색 용액이 된다.

== 생성 ==
:Fe  +  2 HCl  →   FeCl<sub>2</sub>  +  H<sub>2</sub>

== 같이 보기 ==
* [[염화 철(III)]]
* [[황산철(II)]]

== 각주 ==
{{각주}}

{{염화물}}
{{전거 통제}}

[[분류:염화물]]
[[분류:철(II) 화합물]]
[[분류:금속 할로젠화물]]