Registration Dossier
Registration Dossier
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EC number: 297-443-7 | CAS number: 93572-14-6
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
No toxic effects on microorganisms up to the limit of water solubility, read across.
Key value for chemical safety assessment
Additional information
Data on the toxicity of Fatty acids, soya, 2-ethylhexyl esters
(CAS 93572-14-6) to aquatic microorganisms are not available.
The assessment was therefore based on studies conducted with the
structurally similar substance Fatty acids, C16-18 and C18-unsatd.,
2-ethylhexyl esters (CAS 85049-37-2), as part of a read across approach,
which is in accordance with Regulation (EC) No. 1907/2006, Annex XI,
1.5. Further justification is given within the overall summary chapter
6.1 and within the analogue justification section 13.
The toxicity of Fatty acids, C16-18 and C18-unsatd., 2-ethylhexyl esters
to activated sludge was tested according to OECD 209 under GLP
conditions (Van der Kerken 1995). After an incubation time of 3 hours,
there was no inhibition of the respiration rate observed within the
tested concentration range of 6.5 to 100.2 mg/L (nominal), resulting in
an EC50(3h) value of >100 mg/L.
Thus, based on the above mentioned result, and due to the structural and
profile similarities of the substances, as are explained with in the
overall endpoint summary 6.1 it can be concluded that no toxicological
effects on aquatic microorganisms are expected up to the limit of water
solubility for Fatty acids, soya, 2-ethylhexyl esters (CAS 93572-14-6).
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