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Description of key information

According to REACH Annex VII column 2 (7.11.), study does not need to be conducted if there are no chemical groups associated with explosive properties present in the molecule.

Key value for chemical safety assessment

non explosive

Additional information

Justification for classification or non-classification

Reaction mass of sodium carbonate and disodium sulphide and sodium hydrogensulphide and sodium hydroxide is an inorganic multi constituent substance which does not contain functional groups indicating explosive properties (OECD testing methods publication).