Revisió del 22:13, 23 feb 2015 modifica JoRobot (discussió \| contribucions) Bots 1.374.419 edits m Robot substitueix PAGENAME pel nom de la pàgina. ← Edició anterior		Revisió del 16:47, 6 ago 2015 modifica desfés Jmarchn (discussió \| contribucions) Autopatrullats 76.946 edits Cap resum de modificació Edició següent →
Línia 1: {{chembox ~~{{Chembox/Top\|Nitrit de sodi}}~~ \| Verifiedfields = changed ~~{{Chembox/Image\|[[Fitxer:Sodium nitrite.jpg\|200px\|Cristalls de nitrit de sodi]]}}~~ \| Watchedfields = changed ~~{{Chembox/SectGeneral}}~~ \| verifiedrevid = 477163131 ~~{{Chembox/SystematicName\|Nitrit de sodi}}~~ \| Name = Nitrit de sodi ~~{{Chembox/OtherNames\|}}~~ \| ImageFile = Sodium nitrite crystals.jpg ~~{{Chembox/Formula\|NaNO<sub>2</sub>}}~~ \| ImageName = Nitrit de sodi ~~{{Chembox/SMILES\|...}}~~ \| ImageFile1 = Natriumnitrit.png ~~{{Chembox/MolarMass\|68,9953}}~~ \| ImageFileR2 = Sodium-3D.png ~~{{Chembox/Appearance\|sòlid blanc o groc molt pàlid}}~~ \| ImageSizeR2 = 80px ~~{{Chembox/CASNo\|7632-00-0}}~~ \| ImageNameR2 = Catió de sodi ~~{{Chembox/RTECS\|RA1225000}}~~ \| ImageFileL2 = Nitrite-3D-vdW.png ~~{{Chembox/SectProperties}}~~ \| ImageNameL2 = Anió de nitrit (model de rebliment d'espai) ~~{{Chembox/Density\|2.168 g/cm<sup>3</sup>\|sòlid}}~~ \|Section1={{Chembox Identifiers ~~{{Chembox/Solubility\|aigua\|82 g/100 ml (20 °C)}}~~ \| ChemSpiderID_Ref = {{chemspidercite\|correct\|chemspider}} ~~{{Chembox/Solubility\|etanol\|poc soluble}}~~ \| ChemSpiderID = 22689 ~~{{Chembox/MeltingPt\|271 °C descomp.}}~~ \| ChEBI_Ref = {{ebicite\|changed\|EBI}} ~~{{Chembox/SectStructure}}~~ \| ChEBI = 78870 ~~{{Chembox/CoordGeom\|[[Romboedre\|trigonal]]}}~~ \| ChEMBL_Ref = {{ebicite\|correct\|EBI}} ~~{{Chembox/CrystalStructure\|}}~~ \| ChEMBL = 93268 ~~{{Chembox/SymmetryGroup\|...}}~~ \| UNII_Ref = {{fdacite\|correct\|FDA}} ~~{{Chembox/Dipole\|...}}~~ \| UNII = M0KG633D4F ~~{{Chembox/SectHazards}} <!-- Summary only, MSDS provides more complete information -->~~ \| InChI = 1/HNO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1 ~~{{Chembox/MSDS\|[http://ptcl.chem.ox.ac.uk/MSDS/SO/sodium_nitrite.html MSDS externa]}}~~ \| InChIKey = LPXPTNMVRIOKMN-REWHXWOFAO {{Chembox/EUClass\|[[Fitxer:Hazard O.svg\|30 px\|Comburent]]Comburent ('''O''')<br />[[Fitxer: Hazard T.svg\|30 px]]Tòxic ('''T''')<br />[[Fitxer: Hazard N.svg\|30 px]]Perillós per al medi ambient ('''N''')}} \| SMILES = N(=O)[O-].[Na+] ~~{{Chembox/NFPA-chembox \| H=3 \| F=3\| R=1 \| O=OX}}~~ \| StdInChI_Ref = {{stdinchicite\|correct\|chemspider}} ~~{{Chembox/RPhrases\|{{R8}}, {{R25}}, {{R50}}}}~~ \| StdInChI = 1S/HNO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1 ~~{{Chembox/SPhrases\|{{S1/2}}, {{S45}}, {{S61}}}}~~ \| StdInChIKey_Ref = {{stdinchicite\|correct\|chemspider}} ~~{{Chembox/FlashPt\|}}~~ \| StdInChIKey = LPXPTNMVRIOKMN-UHFFFAOYSA-M ~~{{Chembox/Autoignition\|489 °C}}~~ \| CASNo = 7632-00-0 ~~{{Chembox/MaxBurnTemp\|...}}~~ \| CASNo_Ref = {{cascite\|correct\|CAS}} ~~{{Chembox/ExplosiveLimit\|...}}~~ \| PubChem = 24269 ~~{{Chembox/SectRelated}}~~ \| UNNumber = 1500 ~~{{Chembox/OtherAnions\|[[Clorur de sodi]]<br/>[[Nitrat de sodi]]<br/>[[Sulfat de sodi]]}}~~ \| EINECS = 231-555-9 ~~{{Chembox/OtherCations\|[[Nitrit de potassi]]<br />[[Nitrit d'amoni]]}}~~ \| RTECS = RA1225000 ~~{{Chembox/Bottom}}~~ \| ATCCode_prefix = V03 \| ATCCode_suffix = AB08 }} \|Section2={{Chembox Properties \| Formula = NaNO<sub>2</sub> \| MolarMass = 68,9953 g/mol \| Appearance = Sòlid blanc o lleugerament groguenc \| Density = 2,168 g/cm<sup>3</sup> \| Solubility = 71,4 g/100 mL (0 °C) <br> 84,8 g/100 mL (25 °C) <br> 160 g/100 mL (100 °C) \| SolubleOther = Soluble en [[metanol]] (4.4 g/100 mL) <br> [[etanol]] <br> Lleugerament soluble en [[èter dietílic]] (0.3 g/100 mL) <br> Molt soluble en [[amoníac]] \| MeltingPtC = 271 \| MeltingPt_notes = (es descompon a 320° C) \| pKa = ~9 \| RefractIndex = 1,65 }} \|Section3={{Chembox Structure \| Coordination = \| CrystalStruct = [[Romboèdric\|Trigonal]] }} \|Section4={{Chembox Thermochemistry \| DeltaHf = −359 kJ·mol<sup>−1</sup><ref name=b1>{{Cite book\| author = Zumdahl, Steven S.\|title =Chemical Principles 6th Ed.\| publisher = Houghton Mifflin Company\| year = 2009\| isbn = 0-618-94690-X\|page=A23}}</ref> \| DeltaGf = -295 kJ/mol \| Entropy = 106 J/mol K }} \|Section7={{Chembox Hazards \| ExternalSDS = [http://ptcl.chem.ox.ac.uk/MSDS/SO/sodium_nitrite.html External MSDS] \| EUClass = {{Hazchem O}} {{Hazchem T}} {{Hazchem N}} \| NFPA-H = 3 \| NFPA-F = 0 \| NFPA-R = 1 \| NFPA-S = OX \| RPhrases = {{R8}}, {{R25}}, {{R50}} \| SPhrases = {{S1/2}}, {{S45}}, {{S61}} \| FlashPt = \| AutoignitionPtC = 489 \| LD50 = 180 mg/kg (rates, oral) }} \|Section8={{Chembox Related \| OtherAnions = [[Clorur de sodi]]<br/>[[Nitrat de sodi]]<br/>[[Sulfat de sodi]] \| OtherCations = [[Nitrit de potassi]]<br />[[Nitrit d'amoni]] }} }} El '''nitrit de sodi''' és un compost utilitzat com a conservant en carns i peix.

Nitrit de sodi: diferència entre les revisions