Registration Dossier

Environmental fate & pathways

Hydrolysis

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Administrative data

Link to relevant study record(s)

Description of key information

The substance reacts with water to form the diamine NBDA (Reaction mass of 5-(aminomethyl)-bicyclo[2.2.1]heptan-2-yl)methanamine and 6-(aminomethyl)-bicyclo[2.2.1]heptan-2-yl)methanamine). The conversion rate of NBDI to NBDA in water is fast; after 3 hours a conversion rate of 60-85% was shown (depending on the initial concentration).). It has been shown, in the environmental studies, that NBDA is hydrolytically stable and that the parent compound (NBDI) is not. Based on this information (e.g. half-life NBDI less than 12 hours), it is considered justified to conclude that the CSA for the environment needs to based on NBDA.

Key value for chemical safety assessment

Additional information

The half-life of NBDI is considered to significant less than 12 hours.