Registration Dossier
Registration Dossier
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EC number: 285-206-0 | CAS number: 85049-36-1
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, C16-18 and C18-unsatd., ethyl esters (CAS 85049-36-1) to aquatic microorganisms are not available. The assessment was therefore based on studies conducted with the structurally similar substance on Isopropyl oleate (CAS 112-11-8) 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 study with Isopropyl oleate (CAS 112-11-8) was performed as a
limit test according to the guideline ISO 10712 (Mead, 1997). A culture
of the test organism Pseudomonas putida was exposed to the test
substance in a static system for 16 hours, at the nominal concentration
of 10,000 mg/L. There was no significant difference in growth rate
between the control and the 10,000 mg/L loading rate. A nominal EC50 >
10,000 mg/L is reported.
Based on the available read across data toxic effects of Fatty acids,
C16-18 and C18-unsatd., ethyl esters (CAS 85049-36-1) to aquatic
microorganisms are not expected.
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