{{위키데이터 속성 추적}}
{{구별|탄산수소 나트륨}}
{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 472266252
| Name = 중탄산 칼륨
| ImageFile = Potassium bicarbonate.svg
| ImageName = Potassium bicarbonate
| IUPACName = potassium hydrogencarbonate
| OtherNames = potassium hydrogencarbonate, potassium acid carbonate
|Section1={{Chembox Identifiers
| CASNo = 298-14-6
| CASNo_Ref = {{cascite|correct|CAS}}
| Beilstein = 4535309
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 81862
| ChEMBL = 2106975
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 55053
| DrugBank = DB11098
| EINECS = 206-059-0
| KEGG = C18606
| PubChem = 516893
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = HM5Z15LEBN
| InChI = 1/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
| InChIKey = TYJJADVDDVDEDZ-REWHXWOFAA
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = TYJJADVDDVDEDZ-UHFFFAOYSA-M
| SMILES = [K+].[O-]C(=O)O
  }}
|Section2={{Chembox Properties
| Formula = KHCO<sub>3</sub>
| Appearance = white crystals
| Odor = odorless
| MolarMass = 100.115 g/mol
| Density = 2.17 g/cm<sup>3</sup>
| Solubility = 22.4 g/100 mL (20&nbsp;°C)<ref name="Ullmann">{{백과사전 인용|author=H. Schultz |author2=G. Bauer |author3=E. Schachl |author4=F. Hagedorn |author5=P. Schmittinger |title=Potassium Compounds|encyclopedia=Ullmann's Encyclopedia of Industrial Chemistry|year=2005|publisher=Wiley-VCH|location=Weinheim|doi=10.1002/14356007.a22_039|isbn=3-527-30673-0}}</ref>
| SolubleOther = practically insoluble in [[ethanol|alcohol]]
| MeltingPtC = 292
| MeltingPt_notes = (decomposes)
| pKa = 10.329<ref name="crc84">{{서적 인용|last1=Goldberg|first1=Robert N.|last2=Kishore|first2=Nand|last3=Lennen|first3=Rebecca M.|editor=David R. Lide|title=CRC handbook of chemistry and physics|url=https://books.google.com/books?id=q2qJId5TKOkC&pg=PP9|access-date=6 March 2011|edition=84th|year=2003|publisher=CRC Press|location=Boca Raton, FL|isbn=978-0-8493-0595-5|pages=7–13|contribution=Thermodynamic quantities for the ionization reactions of buffers in water}}</ref>
6.351 (carbonic acid)<ref name=crc84/>
  }}
|Section5={{Chembox Thermochemistry
| DeltaHf = -963.2 kJ/mol
  }}
|Section6={{Chembox Pharmacology
| ATCCode_prefix = A12
| ATCCode_suffix = BA04
}}
|Section7={{Chembox Hazards
| ExternalSDS = [http://msds.ehs.cornell.edu/msds/msdsdod/a495/m247034.htm MSDS]
| MainHazards =
| NFPA-H = 1
| NFPA-F = 0
| NFPA-R = 0
| FlashPt = Non-Flammable
| Hazards_ref=<ref>{{웹 인용|title=Potassium bicarbonate |url=https://pubchem.ncbi.nlm.nih.gov/compound/516893#section=Safety-and-Hazards |website=pubchem.ncbi.nlm.nih.gov |language=en}}</ref>
| GHSPictograms = {{GHS07}}
| GHSSignalWord = Warning
| HPhrases = {{H-phrases|315|319|335}}
| PPhrases = {{P-phrases|261|264|280|302+352|304+340|305+351+338|312|332+313|362|403+233|405}}
| LD50 = > 2000 mg/kg (rat, oral)
  }}
|Section8={{Chembox Related
| OtherAnions = [[Potassium carbonate]]
| OtherCations = [[Sodium bicarbonate]]<br/>[[Ammonium bicarbonate]]
| OtherCompounds = [[Potassium bisulfate]]<br/>[[Monopotassium phosphate]]<br/>[[Dipotassium phosphate]]
  }}
}}
'''중탄산 칼륨'''({{llang|en|potassium bicarbonate}})은 [[화학식]]이 KHCO<sub>3</sub>인 [[무기 화합물]]이다. 흰색 고체이다.

== 생성 및 반응성 ==
탄산칼륨 수용액을 이산화탄소로 처리하여 제조된다.
:K2CO3 + CO2 + H2O → 2 KHCO3

중탄산염의 분해는 100~120&nbsp;°C(212~248&nbsp;°F) 사이에서 발생한다.
:2 KHCO3 → K2CO3 + CO2 + H2O

이 반응은 고순도 탄산칼륨을 제조하는 데 사용된다.

== 각주 ==
{{각주}}

== 외부 링크 ==
* [http://www.armandproducts.com/pdfs/PotBiVs6.PDF Potassium Bicarbonate Handbook] {{Webarchive|url=https://web.archive.org/web/20210122152900/https://www.armandproducts.com/pdfs/PotBiVs6.PDF |date=2021-01-22 }}
* [https://web.archive.org/web/20100531174941/http://www.omri.org/simple-opl-search/results/potassium%20bicarbonate. OMRI Potassium Bicarbonate]
* [http://www.potassium-derivatives.com/product/chloralkali/en/potassium-specification/potassium-hydrogen-carbonate/pages/potassium-hydrogen-carbonate-default.aspx. Safety Data sheet - potassium bicarbonate]
* {{Cite NIE|wstitle=Saleratus|short=x}}
{{전거 통제}}

[[분류:칼륨 화합물]]
[[분류:산성염]]
[[분류:화재 진압제]]