Registration Dossier
Registration Dossier
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EC number: 284-895-5 | CAS number: 84989-06-0 The fraction of tar acids, rich in 2,4- and 2,5-dimethylphenol, recovered by distillation of low-temperature coal tar crude tar acids.
Endpoint summary
Administrative data
Description of key information
The study does not need to be conducted because the substance has alow potential for bioaccumulation based on log Kow ≤ 3.
Additional information
Available data for all main components of Tar acids, xylenol fraction (CAS 84989-06-0) demonstrate the log Kow to be below 3, i.e. xylenol-isomers: 2.09 to 2.42 (DEZA, 2010; EPA, 2010; Sangster, 1989); cresol-isomers: 1.94 to 1.98 (OECD SIDS, 2003; Sangster, 1989); ethyl-phenols: 2.09 to 2.58 (DEZA, 2010; Umeyama et al., 1971; Sangster, 1989), or trimethyl-phenols: 2.67 to 2.73 (Sangster, 1989). Thus, Tar acids, xylenol fraction (CAS 84989-06-0) exhibits a low potential for bioaccumulation and in accordance with Regulation (EC) No 1907/2006, Column 2 of Annex IX, section 9.3.2, a study on the bioaccumulation in aquatic species does not need to be conducted.
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