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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

After evaporation or exposure to the air, the product will be rapidly degraded by photochemical processes.

Key value for chemical safety assessment

Half-life in air:
1.358 h
Degradation rate constant with OH radicals:
0 cm³ molecule-1 s-1

Additional information

A study on phototransformation in air with the test substance is not available, but QSAR estimation with EPISuite program v.4.11 with the structural analogue, CAS 3001 -61 -4, was performed. A rate constant of 94.4876 E-12 cm³/molecule*sec and a half-life in the atmosphere of 1.358 hours for the substance was predicted by a calculation assuming a 24 hour day and an OH-radical concentration of 5.0E+05 molecules/cm³ (SRC AOP v1.92, 2017). However, the results must be concsidered cautiously since the substanc is a heterocyclic amine. Thus, estimation values are highly uncertain.