Anhydrous sodium sulfite

• Post Date:

  Oct 25,2025

• Expiry Date:

  Apr 23,2026

• Detailed Description:

  Cas No. :7757-83-7 Specs:food grade
  

  Item	Chinese standard GB1894-2005	Company standard
  sodium sulfite (Na2SO3), mass fraction /%	≥96.0	≥97.0
  Fe, mass fraction /%	≤0.01	≤0.001
  Free alkali(As content Na2CO3), mass fraction /%	≤0.60	≤0.4
  Heavy metal content(Pb), mass fraction /%	≤0.001	≤0.0005
  As content (As content), mass fraction /%	≤0.0002	≤0.0002
  Clarity	Passed	Passed

  Packing: polypropylene weaving bag lined with polyethylene plastic bag, paper plastic compound bag, etc.
  Net wt.: 25/50/1000kg/bag or upon clients' request

   

• CAS Registry Number:

  7757-83-7

• Synonyms:

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

• Molecular Formula:

  Na₂SO₃

• Molecular Weight:

  126.04

• Molecular Structure:

  

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  R22:;
  R36/37/38:;
  

• Safety Description:

  S24/25:;
  

• Company:

  Shandong Kailong Chemical Technology Development Co., Ltd.     [ China ]          

• Contact:

  Mr.Jia

• Tel:

  0086-536-5317817,5302819

• Fax:

  0086-536-5339779

• Email:

  info@klong.cn