Registration Dossier
Registration Dossier
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EC number: 269-929-9 | CAS number: 68391-11-7 The complex combination of polyalkylated pyridines derived from coal tar distillation or as high-boiling distillates approximately above 150°C (302°F) from the reaction of ammonia with acetaldehyde, formaldehyde or paraformaldehyde.
Endpoint summary
Administrative data
Description of key information
Additional information
The substance does not have the potential to bioaccumulate. Based on results obtained in a read-across study, Pyridine, alkyl derivs. is assumed to have a logPow < 3. Thus, experimental determination was waived.
Partition coefficient determination was carried out using 5-ethyl-2-methylpyridine (MEP, CAS no.: 104-90-5, EC no.: 203-250-0) in a read-across approach. The read-across between the UVCB substance and the model constituent is justified. A study according to EU Method A.8, OECD Guideline 117 and EPA OPPTS 830.7570 (Partition Coefficient (n-octanol / water), HPLC Method) revealed a Pow value of 127 and logPow of 2.1 at 22 °C. In a supporting study similar or equivalent to EU Method A.8 (Partition Coefficient) the partition coefficient was determined to be logPow 2.39 at 20 °C (calculated by Kowwin vl. 67, EPI suite v3.12).
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