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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Environmental fate & pathways


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Administrative data

Link to relevant study record(s)

Description of key information

In contact with water the substance will hydrolyse slowly. 

Key value for chemical safety assessment

Additional information

To determine the hydrolysis potential of Tinuvin 292 at different environmental relevant pH-values a GLP study according to OECD guideline 111 was carried out. Since Tinuvin 292 consists of two components which are not available separately, the half-lives are given as range. The half-lives at pH 7 (20 °C) range from 1637 – 2568 hours and at pH 9 (20 °C) from 100 – 106 hours (Ciba Inc. 2008)