{{위키데이터 속성 추적}}
{{번역 확장 필요|en|BaSO4}}
{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 476997146
| ImageFile = Barium-sulfate-2D.png
| ImageSize = 225px
| ImageName = Chemical structure of barium sulfate
| ImageFileL2 = Barite-unit-cell-3D-vdW.png
| ImageNameL2 = 3D model of barium sulfate
| ImageFileR2 = Bariumsulfatpulver.png
| IUPACName = 
| OtherNames = 
|Section1={{Chembox Identifiers
| Abbreviations = 
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = 25BB7EKE2E
| ChEMBL_Ref = {{ebicite|changed|EBI}}
| ChEMBL = 2105897
| InChIKey = TZCXTZWJZNENPQ-NUQVWONBAD
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = TZCXTZWJZNENPQ-UHFFFAOYSA-L
| CASNo = 7727-43-7
| CASNo_Ref = {{cascite|correct|CAS}}
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID =22823
| EINECS = 231-784-4
| PubChem = 24414
| SMILES = [Ba+2].[O-]S([O-])(=O)=O
| InChI = 1/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
| RTECS = CR060000
| MeSHName =
| ChEBI_Ref = {{ebicite|changed|EBI}}
| ChEBI = 133326
| KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = D02052
| DrugBank = DB11150
| UNNumber = 1564
}}
|Section2={{Chembox Properties
| Formula = BaSO<sub>4</sub>
| MolarMass = 233.38 g/mol
| Appearance = white crystalline
| Odor = odorless
| Density = 4.49 g/cm<sup>3</sup>
| MeltingPtC = 1580
| MeltingPt_notes = 
| BoilingPtC = 1600
| BoilingPt_notes = (decomposes)
| Solubility = 0.0002448 g/100 mL (20 °C) <br> 0.000285 g/100 mL (30 °C)
| SolubilityProduct = 1.0842 × 10<sup>−10</sup> (25 °C)
| SolubleOther = insoluble in [[에탄올|alcohol]],<ref>{{서적 인용
| title = CRC Handbook of Chemistry and Physics
| publisher = CRC Press
| year = 2004
| edition = 85th
| pages = [https://archive.org/details/crchandbookofche81lide/page/4 4–45]
| isbn = 0-8493-0485-7
| url-access = registration
| url = https://archive.org/details/crchandbookofche81lide/page/4
}}</ref> soluble in concentrated, hot [[sulfuric acid]]
| Solvent = 
| pKa = 
| pKb =
| RefractIndex = 1.636 (alpha)
| MagSus = -71.3·10<sup>−6</sup> cm<sup>3</sup>/mol
 }}
|Section3={{Chembox Structure
| CrystalStruct = orthorhombic
}}
|Section5={{Chembox Thermochemistry
| DeltaHf = −1465&nbsp;kJ·mol<sup>−1</sup><ref name="Zumdahl, Steven S. 2009">{{서적 인용| author = Zumdahl, Steven S.|title =Chemical Principles |edition=6th | publisher = Houghton Mifflin Company| year = 2009| isbn = 978-0-618-94690-7}}</ref>
| Entropy = 132&nbsp;J·mol<sup>−1</sup>·K<sup>−1</sup><ref name="Zumdahl, Steven S. 2009"/>
}}
|Section6={{Chembox Pharmacology
| ATCCode_prefix = V08
| ATCCode_suffix = BA01
| AdminRoutes = by mouth, rectal
| Bioavail = negligible by mouth
| Metabolism = 
| HalfLife = 
| ProteinBound =
| Excretion = rectal
| Legal_status = 
| Legal_US = Rx only
| Legal_UK = 
| Legal_AU = 
| Legal_CA = 
| Pregnancy_category =
| Pregnancy_AU =
| Pregnancy_US = }}
|Section7={{Chembox Hazards
| PPhrases = {{P-phrases|260|264|270|273|314|501}}
| MainHazards =
| NFPA-H = 0
| NFPA-F = 0
| NFPA-R = 0
| NFPA-S =
| RPhrases =
| SPhrases =
| RSPhrases =
| FlashPt = noncombustible
| FlashPt_notes=<ref name=PGCH/>
| AutoignitionPt =
| ExploLimits =
| PEL = TWA 15 mg/m<sup>3</sup> (total) TWA 5 mg/m<sup>3</sup> (resp)<ref name=PGCH>{{PGCH|0047}}</ref>
| REL = TWA 10 mg/m<sup>3</sup> (total) TWA 5 mg/m<sup>3</sup> (resp)<ref name=PGCH/>
| IDLH = N.D.<ref name=PGCH/>
}}
}}
'''황산 바륨'''({{lang|en|Barium sulfate}} 화학식: [[바륨|Ba]][[황|S]][[산소|O<sub>4</sub>]])은 [[바륨]]의 [[황산염]]이다.

물에 녹지는 않으며 [[위산 (소화계)|위산]]과 만나도 용해되지 않으므로 [[조영제]]로 사용된다.

== 같이 보기 ==
* [[중정석]]
== 각주 ==
{{각주}}

== 외부 링크 ==
* {{위키공용분류-줄}}

{{조영제}}
{{전거 통제}}
{{토막글|화학}}

[[분류:황산염]]
[[분류:바륨 화합물]]
[[분류:조영제]]