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EC number: 942-072-4 | CAS number: -
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
No effects up to the limit of water solubility (OECD 202).
Key value for chemical safety assessment
Additional information
Since no studies investigating the short-term toxicity of Fatty
acids, coco, decyl esters (CAS 93455-79-9) to aquatic invertebrates are
available, in accordance to Regulation (EC) No 1907/2006 Annex XI, 1.5 a
read-across to the structurally related source substance Tetradecanoic
acid, tetradecyl ester (CAS 3234-85-3) was conducted.
The read-across substance is representative to evaluate the short-term
toxicity of Fatty acids, coco, decyl esters (target substance) to
aquatic invertebrates.
The target substance is a UVCB substance specified by mainly C12 linear
fatty acids esterified with a linear alcohol of a chain length of C10.
The source substance Tetradecanoic acid, tetradecyl esteris a
mono-constituent ester of a linear C14 fatty acid and a linear C14
alcohol. Both substances have a comparable similar structure and are
suitable for read across to the target substance.In this case of
read-across, the best suited (highest degree of structural similarity,
nearest physico-chemical properties) read-across substance was used for
the assessment.
The study with the source substance Tetradecanoic acid, tetradecyl ester was conducted according to OECD 202 (GLP) investigating the short-term effects of tetradecyl myristate (CAS 3234-85-3) to freshwater invertebrates (Schlechtriem, 2012). Daphnia magna was exposed to a Water Accommodated Fraction (WAF) of nominal 100 mg/L in a limit test for 48 h. GC/EI-MS analysis resulted in a measured geometric mean concentration of 0.128 µg/L. No immobilization was recorded after 48 h resulting in an EL50 (48 h) of > 0.128 µg/L (measured, geometric mean) and > 100 mg/L (nominal), respectively.
Based on the available result from one structurally related source substance (in accordance to Regulation (EC) No 1907/2006 Annex XI, 1.5) which is characterized by a comparable structure, it can be concluded that Fatty acids, coco, decyl esters will not exhibit short-term effects to aquatic invertebrates up to the limit of water solubility.
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