Registration Dossier
Registration Dossier
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EC number: 270-331-5 | CAS number: 68424-95-3
Endpoint summary
Administrative data
Description of key information
Two reliable acute toxicity study with the aquatic invertebrate Daphnia magna, and using the read across substance, N,N-Didecyl-N,N-dimethylammonium chloride
andDDACarbonate respectively are available with a 48-hour LC50 of 0.094 mg/L and 0.066 mg/L respectively.
The LC50 of 0.066 mg/L will be taken as the short-term toxicity in aquatic invertebrates endpoint for C8 -10DAQ.
The algal study data for DDAC and DDACarbonate (2 studies) determined ErC50 (growth rate inhibition) of 0.027 mg/L, 0.025 mg/L, 0.035 mg/L, respectively and NOEC’s of 0.014 mg/L, 0.020mg/L and 0.0152 mg/L, respectively. It is recommended that the algal study for DDAC (Desjardins, 2002) is the key study endpoint considered in PNEC development based on its reliability and the use of the test substance DDAC in toxicity testing
Additional information
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