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Description of key information

The preliminary test (Tier 1) was performed for the determination of the rate of hydrolysis of the substance at pH values normally found in the environment (pH 4 -9) according to OECD 111. 

Key value for chemical safety assessment

Half-life for hydrolysis:
1 yr
at the temperature of:
25 °C

Additional information

At each pH value a degree of hydrolysis of < 10% was observed after 5 days. According to the guideline, performance of the main study (Tier 2) was not required.

The half-life time of the test substance at 25°C was > 1 year at pH4, pH7 and pH9.