Registration Dossier
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EC number: 812-652-0 | CAS number: 73947-34-9
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
Five studies, investigating the short-term toxicity to aquatic invertebrates of fatty acids, C8-10 (even numbered), di-and triesters with propylidynetrimethanol (CAS 11138-60-6) are available. These studies were conducted with Daphnia magna and according to OECD 202. All available data indicate that the test substance is of low toxicity to Daphnia magna.
The key study investigated the toxicity of fatty acids, C8-10 (even numbered), di-and triesters with propylidynetrimethanol in a limit test (Häner, 2007). Daphnia magna was exposed to a WAF loading rate of 100 mg/L. No effects on mobility of D. magna were observed resulting in an EL50 (48 h) > 100 mg/L. The second study was performed according to OECD 202 (GLP) as a limit test with a nominal loading of 10000 mg/L (Kuttler, 1998). No effects on mobility of D. magna were recorded resulting in an EL50 (48 h) > 10000 mg/L. Both other supporting studies (Källquist, 1995 and Craig, 2005) calculated EL50 (48 h) > 1000 mg/L (WAF loading rate).
One additional test result (EC50 (48 h) 15.86 mg/L) should be evaluated with caution because the original report was not available and therefore the documentation was insufficient for a final assessment (Draguez, 1991).
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