Sodium sulfite

• Post Date:

  Apr 12,2025

• Expiry Date:

  Oct 09,2025

• Detailed Description:

  Cas No. :7757-83-7
  

  Other Name： Sodium sulfite anhydrous; Sodium sulphite; anhydrous sodium sulfite; Sodium sulfite ,anhydrous

  CAS No.： 7757-83-7

  EINECS No.： 231-821-4

  Molecular formula： Na2SO3

  Item	Index	Result
  Color	White	White
  State	Crystalline powder	Crystalline powder
  Sodium sulfite (Na2SO3),W%	≥96%	96.8
  Iron (Fe),W%	≤0.003	0.001
  Water insoluble substance,W%	≤0.02	0.004
  Free alkali (calculated by Na2CO3),W%	≤0.10	0.02
  Sulfate (calculated by Na2SO4),W%	≤2.5	1.6
  Chloride (calculated by NaCl),W%	≤0.10	0.04

• 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 Weigorge Import and Export Co., Ltd.     [ China ]          

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