عرض مصدر كبريتيت الصوديوم

{{chembox
| verifiedrevid = 476993033
| Name = Sodium sulfite
| ImageFile1 = sodium sulfite.png
| ImageName1 = Sodium sulfite
| ImageFile2 = Sodium sulfite ball-and-stick.png
| ImageFileL3 = 	Sodium sulfite.jpg
| ImageCaptionL3 = anhydrous
| ImageFileR3 = Sodium sulfite hydrate.jpg
| ImageCaptionR3 = hydrate
| IUPACName = Sodium sulfite
| OtherNames = Hypo clear (photography)<br>E221
| Section1 = {{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 22845
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = VTK01UQK3G
| InChI = 1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
| InChIKey = GEHJYWRUCIMESM-NUQVWONBAK
| SMILES = [O-]S(=O)[O-].[Na+].[Na+]
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = GEHJYWRUCIMESM-UHFFFAOYSA-L
| CASNo = 7757-83-7
| CASNo_Ref = {{cascite|correct|CAS}}
| PubChem = 24437
| RTECS = WE2150000
| EINECS = 
 }}
| Section2 = {{Chembox Properties
| Formula = Na<sub>2</sub>SO<sub>3</sub>
| MolarMass = 126.043 g/mol
| Appearance = white solid
| Odor = odorless
| Density = 2.633 g/cm<sup>3</sup> (anhydrous)<br/>1.561 g/cm<sup>3</sup> (heptahydrate)
| Solubility = 67.8 g/100 mL (18 °C, heptahydrate)
| SolubleOther = soluble in [[glycerol]] <br> insoluble in [[ammonia]], [[chlorine]]
| MeltingPt = 33.4 °C (dehydration of heptahydrate)<br/> 500 °C (anhydrous)
| BoilingPt = Decomposes(separate (substances) into constituent elements)
| RefractIndex = 1.565
| pKa = ~9 (heptahydrate)
 }}
| Section3 = {{Chembox Structure
| MolShape = 
| Coordination = 
| CrystalStruct = hexagonal (anhydrous)<br/>monoclinic (heptahydrate)
| Dipole =
 }}
| Section7 = {{Chembox Hazards
| ExternalMSDS = [http://www.inchem.org/documents/icsc/icsc/eics1200.htm ICSC 1200]
| EUIndex = Not listed
| MainHazards = 
| FlashPt = Non-flammable
| RPhrases = 
| SPhrases = 
| NFPA-H = 2
| NFPA-F = 0
| NFPA-R = 0
 }}
| Section8 = {{Chembox Related
| OtherAnions = [[Sodium selenite]]
| OtherCations = [[Potassium sulfite]]
| OtherCpds = [[Sodium bisulfite]]<br/>[[Sodium metabisulfite]]<br/>[[Sodium sulfate]]
 }}
}}

'''كبريتيت الصوديوم Sodium Sulfite'''

==الوصف ==

مسحوق أبيض . سهل الانحلال في ال[[ماء]] , ضعيف الانحلال جداً في ال[[كحول]]. يحفظ في عبوات محكمة الإغلاق.

==الاستعمال==
[[مادة حافظة]] مضادة للميكروبات و[[مضاد أكسدة]].

==مصادر==

[[دساتير الأدوية]]

{{بذرة}}

[[تصنيف:كيمياء]]
[[تصنيف:مواد حافظة]]