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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Environmental fate & pathways

Phototransformation in air

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Administrative data

Link to relevant study record(s)

Description of key information

The estimated half-life for indirect photolysis of diethylenetriamine reaction with hydroxyl radical is 2.6 hrs.

Key value for chemical safety assessment

Additional information

The estimated half-life of 2.6 hrs. (0.11 days) is based on an assumed hydroxyl radical concentration of 500,000 molecules/cm3 and 24 hour photoday.