Registration Dossier
Registration Dossier
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EC number: 942-330-6 | CAS number: -
Long-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
A valid OECD 211 study according to GLP is available. After 21 d a NOEC of > 10 mg/l was derived.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 10 mg/L
Additional information
In a 21-day chronic toxicity study, Daphnia magna were exposed to Reaction mass of Fatty acids, tall-oil, compds. with oleylamine and Fatty acids, C18-unsatd., trimers, compds. with oleylamine at nominal (loading) concentrations of 0 (control), 0.1, 0.32, 1.0, 3.2, 10 mg/L under static renewal conditions in accordance with the OECD 211 guideline. The water pH, temperature and dissolved oxygen were within acceptable guideline specifications. Mortality, reproduction and sublethal effects were observed daily. The following overall effect concentrations (mg/L) were obtained based on nominal (loading) concentrations: LOEC/LOELR > 10 mg/L NOEC/NOELR ≥ 10 mg/L No significant mortality or any other additional significant adverse effects or abnormal behavior were observed in any of the test treatments. The data were not sufficient to calculate ECx values for reproduction or mortality. However based on best professional judgment, a 21-day EC0 ≥ 10 mg/L is estimated. Due to the low water solubility of the test substance the concentration of test substance in test media could not be verified analytically. According to guidance in OECD 23, for tests with chemicals that cannot be quantified by analytical methods at the concentrations causing effects, the effect concentration can be expressed based on the nominal concentrations. The results in this study are consistent with all validity criteria and the test is valid according to the guidelines of this study. No deviations from test guidelines or other incidents occurred during the course of the reported test which may have influenced the results.
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