Registration Dossier
Registration Dossier
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EC number: 233-560-1 | CAS number: 10233-13-3
Toxicity to terrestrial plants
Administrative data
Link to relevant study record(s)
Description of key information
Considering all relevant information available, toxicity to terrestrial plants is not expected.
Key value for chemical safety assessment
Additional information
Data is available on tests with terrestrial plants for the substance Fatty acids, C16-18 and C18-unsatd., 2-ethylhexyl esters (CAS No. 85049-37-2), however it has been assigned with a Klimisch rating of 4 because the full study reports are not available and the information given is not sufficient for evaluation of the study. Nevertheless, this information should be taken into account for the chemical safety assessment (CSA). The tests were conducted according to “EEC Directive 79/831, Annex V; EEC Ring Test C(L1) 3: Higher Plant”. 21-day NOECs, all 100 mg/kg, are reported for the organisms Avena sativa, Lycopersicum esculentum, Brassica rapa. EC50 values of 390 mg/kg, 580 mg/kg and 600 mg/kg are reported for Avena sativa, Lycopersicum esculentum and Raphanus sativus, respectively. Based on these values the toxicity of short chain alcohol esters to plants seems to be low. Also the exposure of plants to these substances is expected to be very limited, since they are not expected to be found in the pore water in significant quantities, due to poor water solubility and high adsorption potential.
The terrestrial toxicity of short chain fatty acid esters has been tested on the earth worm Eisenia fetida with the test substance isopropyl myristate (CAS No. 110-27-0). No mortality was observed during the 14-day exposure period at the test concentration of 20,000 mg/kg.
Based on the above mentioned available data, the terrestrial toxicity of short chain fatty acid esters is expected to be very low. Additionally, the substances are not expected to remain in the terrestrial environment, due to ready biodegradation. Bioaccumulation is not likely due to rapid metabolism.
In accordance with Regulation (EC) No. 1907/2006, Annex X, Column 2, 9.4 further studies on the effects on terrestrial organisms do not have to be conducted since the chemical safety assessment indicates that toxicity to terrestrial plants is not expected to be of concern.
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