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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.
The study does not need to be conducted because the substance has alow
potential for bioaccumulation based on log Kow ≤ 3.
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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