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Sodium sulfite

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  Post Date: Sep 20,2024
  Expiry Date: Mar 19,2025
  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: 7757-83-7 Sodium sulfite
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R36/37/38:;
  Safety Description: S24/25:;

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