Registration Dossier
Registration Dossier
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EC number: 214-987-2 | CAS number: 1241-94-7
Long-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
2EHDPP is a “poorly soluble” substance with tendency to stay undissolved when its concentration exceed the water solubility value. Effects observed in the presence of undissolved test material are not indicative of true toxicity but rather indicates physical effects.
Key value for chemical safety assessment
Additional information
In a study according to the "proposed recommended bioassay procedure for egg and free stages of freshwater fish (US EPA, 1972)" the chronic toxicity of S-141 towards raibow trout was investigated in an early life stage test. The 71d-NOEC for survival based on mean measured concentrations was found to be 0.0211 mg/l.
CHRONIC STUDIES |
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Fish |
Result |
Comment |
Reference |
Flag and Klimish score |
Rainbow trout Salmo gairdneri |
71-d NOEC (LOEC): 0.0211 (0.0508) mg/L |
Effects only observed at concentration ≥solubility
Study performed at 10 to 12 deg.C. At these temperatures, the solubility in water would be even lower than the 0.0506 mg/L measured at 21 deg.C. |
Adams et al. (1981) |
Wight of Evidence-Klimish 4 |
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