Registration Dossier
Registration Dossier
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EC number: 210-545-8 | CAS number: 618-36-0
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
Acutely harmful to aquatic invertebrates
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 23.3 mg/L
Additional information
A 48 -h EC50 of 23.3 mg/L was determined in a study testing the toxicity of DL-alpha-methylbenzylamine to Daphnia magna conducted according to Dir. 79/831/EEC, Annex V, Part C. (BASF AG, 1996). The effect of the substance on the mobility of D. magna is probably in part due to pH changes caused by the substance. In a parallel test with a neutralised sample of the two highest concentrations (50 and 100 mg/L) the toxicity of the test item was reduced as after 48 h the immobilisation was ca. 50% compared to 100% in the not-neutralised sample fo 50 mg/L. Moreover, the effects were delayed in time as 80% of the daphnids were immobilised after 48 h in the neutralised 100 mg/L sample while in the not-neutralised sample all daphnids were immobilised already after 3 h. The test item concentrations were analytically verified.
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