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Identification number: 142

Classification Name: Natriumhydroxid

sodium hydroxide
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.


Natriumhydroxid 1310-73-2 215-185-5
  • Aetznatron
  • Ätznatron
  • Ätznatronlauge
  • Ätznatronlösung
  • Caustic soda
  • Caustic soda solution
  • Hydrate de sodium
  • Hydrate de soude
  • Hydroxide of sodium
  • Hydroxyde de sodium
  • Kaustische Soda
  • Kaustische Sodalauge
  • Lessive de soude
  • Natriumhydroxid (Na(OH))
  • Natriumhydroxidlösung
  • Natronlauge
  • NSC 135799
  • Soda, caustic
  • Soda, kaustisch
  • Sodium hydrate
  • Sodium hydroxide
  • Sodium hydroxide (Na(OH))
  • Sodium hydroxide solution
  • Sodium lye solution
  • Soude caustique en solution
Data from 7/15/2025