Nitrat de potassi: diferència entre les revisions
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{{ChemboxEn
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 476994711
| Reference = <ref name="GETIS">{{GESTIS|Name=Potassium nitrate|ZVG=3630|CAS=7757-79-1|Date=2007-03-09}}</ref>
| ImageFile = Potassium nitrate.jpg
| ImageName = Nitrat de potassi
| ImageFileL1 = potassium nitrate structure.svg
| ImageFileR1 = Potassium nitrate ball-and-stick.png
| IUPACName = Nitrat de potassi
| OtherNames = Salnitre<br />Nitrat de potassa
|Section1={{Chembox Identifiers
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = RU45X2JN0Z
| KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = D02051
| ChEMBL_Ref = {{ebicite|changed|EBI}}
| ChEMBL = 1644029
| InChI = 1/K.NO3/c;2-1(3)4/q+1;-1
| InChIKey = FGIUAXJPYTZDNR-UHFFFAOYAM
| SMILES = [K+].[O-][N+]([O-])=O
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/K.NO3/c;2-1(3)4/q+1;-1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = FGIUAXJPYTZDNR-UHFFFAOYSA-N
| CASNo = 7757-79-1
| CASNo_Ref = {{cascite|correct|CAS}}
| PubChem = 24434
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 22843
| UNNumber = 1486
| RTECS = TT3700000
| EINECS = 231-818-8
}}
|Section2={{Chembox Properties
| Formula = KNO<sub>3</sub>
| MolarMass = 101,1032 g/mol
| Appearance = sòlid blanc
| Odor = sense olor
| Solubility = 133 g/L (0 °C)<br /> 316 g/L (20 °C)<br /> 2460 g/L (100 °C)<ref name=b1>{{cite book|pages=5–6|chapter=2|url=http://books.google.com/books?id=Q1yJNr92-YcC&pg=PA5|title=Pyrotechnic Chemistry|author=B. J. Kosanke, B. Sturman, K. Kosanke, I. von Maltitz, T. Shimizu, M. A. Wilson, N. Kubota, C. Jennings-White, D. Chapman|publisher=Journal of Pyrotechnics|year=2004|isbn=1-889526-15-0}}</ref>
| SolubleOther = lleugerament soluble en [[etanol]]<br /> soluble en [[glicerol]], [[amoníac]]
| Density = 2,109 g/cm<sup>3</sup> (16 °C)
| MeltingPtC = 334
| BoilingPt = descompon a 400 °C
| pKb = 15.3<ref>Kolthoff, Treatise on Analytical Chemistry, New York, Interscience Encyclopedia, Inc., 1959.</ref>
| RefractIndex = 1,5056
}}
|Section3={{Chembox Structure
| Coordination =
| CrystalStruct = [[Ortoròmbic]], [[Aragonita]]
}}
|Section4={{Chembox Thermochemistry
| DeltaHf = -494,00 kJ/mol
| HeatCapacity = 95,06 J/mol K
}}
|Section7={{Chembox Hazards
| ExternalMSDS = [http://www.inchem.org/documents/icsc/icsc/eics0184.htm ICSC 0184]
| EUIndex = No hi consta
| EUClass = Oxidant ('''O''')
| RPhrases = {{R8}} {{R22}} {{R36}} {{R37}} {{R38}}
| SPhrases = {{S7}} {{S16}} {{S17}} {{S26}} {{S36}} {{S41}}
| MainHazards = Oxidant, nociu si s'ingereix, inhala o absorbeix per la pell. Provoca irritació a la pell i l'àrea dels ulls.
| NFPA-H = 1
| NFPA-F = 0
| NFPA-R = 0
| NFPA-O = OX
| FlashPt = Ininflamable
| LD50 = 3750 mg/kg (oral, rata)<ref>http://chem.sis.nlm.nih.gov/chemidplus/rn/7757-79-1</ref>
}}
|Section8={{Chembox Related
| OtherAnions = [[Nitrit de potassi]]
| OtherCations = [[Nitrat de liti]]<br />[[Nitrat sòdic]]<br />[[Nitrat de rubidi]]<br />[[Nitrat de cesi]]
| OtherCpds = [[Sulfat de potassi]]<br />[[Clorur de potassi]]
}}
}}
{{Chembox
| Nom = Nitrat de potassi
Linha 13 ⟶ 90:
| Aparença = sòlid blanc
| Densitat = 2,1 g/cm³
| Solubilitat = en aigua 13,3 g/100 mL (0
| Punt de fusió = 334
| Punt d'ebullició = 400
| pKa =
| pKb =
| |||