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Environmental fate & pathways

Hydrolysis

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Description of key information

Following the preliminary test OECD 111 (5 days incubation at 50°C at pH values 4, 7 and 9), the test item is considered to be stable at pH 4. It was not possible to determine the hydrolysis at pH 7 and pH 9 due to a non-hydrolytic decomposition of the test item (change of colour, likely an oxidative process).

Key value for chemical safety assessment

Additional information

The test item was tested for hydrolysis according to the OECD Guideline 111 and GLP. The preliminary test was performed at 50°C and pH 4, 7 and 9.

Since less than 10% of hydrolysis was observed at pH 4, the test item is considered stable at pH 4 and no additionnal test is required.

At pH 7 and 9, the test item stability was evaluated via the recovery rates which were 89 and 88,1 % respectively. It was not possible to determine the hydrolysis because non-hydrolytic decomposition of the test item occurs (change of colour of the tested solutions), that is likely an oxidative decomposition.