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EC number: 210-647-2 | CAS number: 620-67-7
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 (WS < 0.05 mg/L)
Key value for chemical safety assessment
Additional information
One study evaluating the acute toxicity of propane-1,2,3-tryil trisheptanoate (CAS No. 620-67-7) to aquatic invertebrates is available (Scholz, 1993). This test was conducted according to EU Method C.2, under GLP conditions. Daphnids were exposed for 48 hours to the test substance within a static water regime, at nominal concentrations ranging from 0.53 to 3.94 mg/L. No significant immobilization effects were observed in the treatment groups (only 1 immobilised daphnid at 3 out of 7 concentrations) nor in the controls (no immobilization) and therefore, the resulting EC50 (48 h) was found to be > 3.94 mg/L (measured concentration). The determination of measured test concentrations was performed by DOC (Dissolved Organic Carbon) analysis, which is more suitable for substances with higher water solubility. The high reported measured concentration (3.94 mg/L) despite the low water solubility of the substance (< 0.05 mg/L) shows that probably other constituents from the solution have been accounted for as test substance. Nevertheless, since no significant effects were observed it can be stated that no acute toxicity to aquatic invertebrates within the range of the water solubility of propane-1,2,3-tryil trisheptanoateis expected.
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