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EC number: 306-232-1
CAS number: 96690-38-9
The chemical safety assessment according to Annex I of Regulation (EC) No. 1907/2006 does not indicate the need to investigate further the toxicity to terrestrial plants.
In accordance with Regulation (EC) No. 1907/2006, Annex IX, 9.4,
column 2, further studies on the effects on terrestrial organisms do not
have to be conducted since the chemical safety assessment indicates that
there is no need. No experimental data on toxicity to terrestrial plants
are available for fatty acids, C16-18, 2-octyldodecyl esters (CAS
96690-38-9). The test substance is characterised by a high log Koc (log
Koc > 5) indicating a considerable potential for adsorption to the soil
particles. Due to the low water solubility (< 0.05 mg/L), only low
concentrations are expected in the pore water, which is the main
exposure route for terrestrial plants. Therefore, tests soil-dwelling
organisms like earthworm which allows potential uptake via surface
contact, soil particle ingestion and pore water (ECHA, 2012), are most
relevant for the evaluation of soil toxicity of fatty acids, C16-18,
2-octyldodecyl esters. In addition, in the absence of a clear indication
of selective toxicity, an invertebrate (earthworm or collembolan) test
is preferred, as outlined in ECHA guidance section R.22.214.171.124, page 122
(ECHA, 2012). Chronic earthworm data are available for the structurally
related category member 2-octyldodecyl isooctadecanoate (CAS
93803-87-3). The study with the read-across substance 2-octyldodecyl
isooctadecanoate resulted in no effects on reproduction after 56 d of
exposure resulting in a NOEC (56 d) ≥ 1000 mg/kg soil dw. No higher
toxicity of the test substance is expected for terrestrial plants in
comparison to soil macroorganisms. In accordance with Regulation (EC)
No. 1907/2006, Annex IX, Column 2, 9.4 further studies on the effects on
plants do not have to be conducted since the chemical safety assessment
indicates that toxicity to terrestrial plants is not expected to be of
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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