Registration Dossier
Registration Dossier
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EC number: 242-893-1 | CAS number: 19223-55-3
Adsorption / desorption
Administrative data
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption: screening
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because the substance and its relevant degradation products decompose rapidly
- Executive summary:
For PNEC derivation according to the equilibrium partitioning method, a Koc value is required. As it was not mandatory to have a log Koc value measured experimentally (the substance and its degradation products decompose rapidly), a value was estimated from the available log Kow value using the following equation from TGD Part III (for nonhydrophobic substances): log Koc = 0.52 x log Kow + 1.02 = 2.292 and Koc = 195.884.
Reference
Description of key information
For PNEC derivation according to the equilibrium partitioning method, a Koc value is required. As it was not mandatory to have a log Koc value measured experimentally (the substance and its degradation products decompose rapidly), a value was estimated from the available log Kow value using the following equation from TGD Part III (for nonhydrophobic substances): log Koc = 0.52 x log Kow + 1.02 = 2.292 and Koc = 195.884.
Key value for chemical safety assessment
- Koc at 20 °C:
- 195.884
Additional information
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