Registration Dossier
Registration Dossier
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EC number: 800-906-3 | CAS number: 1402434-48-3
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
The 48 h EC50 of the test substance for Daphnia magna, based on geometric measured mean was 106 µg/L.The NOEC and LOEC were determined at 43 and 118 µg/L, respectively.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 106 µg/L
Additional information
A study was conducted to determine the acute toxicity of C12-C14 alkylmorpholine to Daphnia magna according to the OECD Guideline 202 and EU Method C.2 in compliance with GLP. Juvenile daphnids (<24h old) were exposed to the nominal concentrations of the test substance at 0, 120, 210, 380, 690 and 1250 µg/L ina static system over an exposure period of 48 h. Test substance analysis demonstrated that the test chemical was not stable. Geometric measured mean concentrations were therefore used for endpoint determination. All the otherquality criteria were met. Under the study conditions, the 48 h EC50 of the test substance for Daphnia magna, based on geometric measured mean was 106 µg/L.The NOEC and LOEC were determined at 43 and 118 µg/L, respectively.
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