Registration Dossier
Registration Dossier
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EC number: 483-310-2 | CAS number: 101023-55-6
Endpoint summary
Administrative data
Description of key information
For imidazole hydrobromide, the following information receievd from the read-across substance imidazole hydroiodide can be summarised:
-in a short-term toxicity test according to OECD 202, mobility of juvenile Daphnia magna was affected by imidazol hydroiodide; the respective 48-h EC50 amounts to 1.4 mg/L with a corresponding 48-h NOEC value of 0.46 mg/L (all nominal, analytically verified).
- In an alga growth inhibition test according to OECD 201 (1984), the growth rate of Desmodesmus subspicatus was affected by imidazole hydroiodide; the 72-h EC50 for inhibition of specific growth rate amounts to 34 mg/L with a corresponding EC10 of 3.5 mg/L (all nominal, analytically verified).
Read-across from imidazole hydrobromide to imidazole hydroiodide is justified since both substances only differ in the respective counterion iodide or bromide. Both anions iodide and bromide are quite similar concerning ecotoxicological behaviour and thus do not influence the ecotoxicological results received.
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