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Identification number: 282

Classification Name: Natriumsulfit

sodium sulphite
WGK 1
8/10/2017

The regular and professional use of this substance for drinking water treatment, surface water remediation or waste water treatment is not restricted by this classification. (Fussnote Nr. 1)

There is no M-Factor stored in this Database. Please check ECHA for substances with WGK 2 and WGK 3, if an M-Factor has to be regarded.


Natriumsulfit 7757-83-7 231-821-4
  • Anhydrous sodium sulfite
  • Dinatriumsulfit
  • Dinatriumsulfit (Na2SO3)
  • Disodium sulfite
  • Disodium sulfite (Na2SO3)
  • Natrium sulfurosum
  • Natriumsulfit
  • Natriumsulfit (Na2SO3)
  • Natriumsulfit wasserfrei
  • Schweflige Säure, Dinatriumsalz
  • Schwefligsaures Natrium
  • Sodium sulfite
  • Sodium sulfite (Na2SO3)
  • Sodium sulfite anhydrous
  • Sodium sulphite
  • Sulfite of sodium
  • Sulfurous acid, disodium salt
  • Sulphite of sodium
  • Wasserfreies Natriumsulfit
Data from 4/22/2025