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EC number: 219-785-8 | CAS number: 2530-85-0
No toxic effects were observed in the test.
Short-term toxicity to invertebrates: 48 hr EC50 >100 mg/l (measured) (highest concentration tested) (EU C.2) (CAS 2530-85-0). The observations in this study are attributed to the exposure of test organisms to the hydrolysis products in the test system.
A 48-h EC50value of >100 mg/l and NOEC of =100 mg/l (measured, highest concentration tested) have been determined for the effects of 3 -trimethoxysilylpropyl methacrylate (CAS 2530-85-0) on mobility of Daphnia magna. It is likely that the test organisms were exposed predominantly to the hydrolysis products of the substance.
The results of a second reliable test are also available. The test was conducted as a limit test at a concentration of 876 mg/L and no effects on mobility were observed.
The reliability of the results, reporting an EC50 of 399 mg/l from a third test could not be determined because there was insufficient information in the source to do so.
Refer to the discussion in the Section 6 endpoint summary (Section 7.0 of CSR) for further discussion of the approach to chemical safety assessment for this registration substance, and justification for read-across used.
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