Qingdao Hailijia New Material Chemical Co. Ltd.

Sodium sulfite

• Category :

  Inorganic chemicals

• Synonyms :

  Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade);

• CAS NO :

  7757-83-7

• EC NO :

  231-821-4

• Molecular Formula :

  Na₂SO₃

• Molecular Weight :

  126.04

• Main Specifications :

• InChI :

  InChI=1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

• Product description :

  English name:Sodium Sulfite
  Molecular formula : Na₂SO₃
  Technical index:
  

  Appearance	White crystal powder
  Content	≥96%
  Iron	≤0.005%
  Water insoluble substance	≤0.003%
  Free alkali	≤0.40%

  
  
  
  
  
  
  
  Physicochemical properties:White crystal or powder, crystal form, PH value: 9-9.5, the solubility is 28% at 33.4℃, the density is 2.633 (15.4℃), refractive index is 1.565, molecular weight is 126.04.
  perform standard: As deoxidizer and the bleaching agent in printing industry, developer in photosensitive industry, reducing agent for m-phenylenediamine in organic industry, artificial fiber and stabilizer in textile, also used in papermaking, electron, water treatment, printing, medicine, papermaking, chemical fiber, photography and food_.

• Molecular Structure :