Registration Dossier
Registration Dossier
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EC number: 216-885-3 | CAS number: 1689-99-2
Phototransformation in air
Administrative data
Link to relevant study record(s)
Description of key information
2,6-dibromo-4-cyanophenyl octanoate is photolytically degraded in air with a half-life of 40 h.
Key value for chemical safety assessment
- Half-life in air:
- 40 h
Additional information
The endpoint “phototransformation in air” is not a data requirement for the registered substance. However, for the sake of completeness this endpoint is covered by a short summary of the available data.
In the available study the chemical lifetime of 2,6-dibromo-4-cyanophenyl octanoate in the air was estimated according to the method described in the OECD Environment Monographs No. 61 (1992). The results obtained show that 2,6-dibromo-4-cyanophenyl octanoate is removed rapidly by photoreaction with OH-Radicals. The value of the reaction rate constant at 298 K is 47.735E-7/s which corresponds to a half-life of about 40 daylight hours (~3.5 days assuming 12 hours irradiation per day).
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