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EC number: 308-783-3
CAS number: 98510-75-9
48 h EC50 >100 mg a.i./L (OECD TG 202; Daphnia magna; static, natural river water containing 3.46 mg/L TOC (2.71 mg/L DOC)); RL1; GLP
48-hr-acute toxicity of Undecylenamidopropyl Betaine to Daphnia
magna was studied under static conditions according to OECD
Guideline 202 (2004). In this limit test, daphnids were exposed to
control and test chemical at a nominal concentration of 100 mg a.i./L in
natural river water containing 3.46 mg/L TOC (2.71 mg/L DOC) for
48 h. Mortality/immobilization
was observed daily.
test item concentrations were in agreement with nominal (100-103%).
These concentrations remained stable during both renewal periods. Given
these results, effect parameters can be based on the nominal test
mortality or other clinical effect was observed at the limit
concentration and the control during the test period. The 48-hour EC50
was >100 mg a.i./L
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