Registration Dossier
Registration Dossier
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EC number: 221-220-5 | CAS number: 3033-62-3
Endpoint summary
Administrative data
Description of key information
Short-term toxicity to fish:
In a well-conducted and documented study, the acute toxicity value (LC50) for zebra fish was 131.2 mg/L. The NOEC was determined to be 46.5 mg/L. The LC100 was observed to be 215 mg/L.
Short-term toxicity to aquatic invertebrates:
Acute toxicity of the test substance to aquatic invertebrates was tested in a well documented static freshwater Daphnia immobilization limit test. The EC0 was determined to be >/= 104 mg/L (24-hr) and 8.4 mg/L (48-hr). The EC50 was observed to be > 104 mg/L (24-hr) and 102 mg/L (48-hr). The EC100 was > 104 mg/L (24-hr and 48-hr). The 48-hr NOEC was 49 mg/L.
Toxicity to aquatic algae and cyanobacteria:
Toxicity of the test substance towards algae was tested in two well conducted algal growth inhibition studies.The derived effect concentrations in the two studies were very similar, reporting EC50's of 24 mg/L and 23 mg/L. In addition,a NOEC of 1.83 mg/L anda LOEC of 3.95 mg/L was reported in the key study.
Toxicity to microorganisms:
Toxicity of the test substance to microorganisms was tested via two different assays. In the key study, the effect concentration derived in the test (respiration rate assessment) was EC20 > 720 mg/L after 30 min duration. In a supporting study, toxicity of BDMAEE toVibrio fisheriiwas assessed using the Microtox method in a static saltwater test. The effect concentrations derived in the test (light emission assessment) were EC50 = 27,500 mg/L after 5 min, EC50 = 21,000 mg/L after 15 min and EC50 = 16,750 mg/L after 30 minutes.
Long-term toxicity to fish and aquatic invertebrates:
Testing for long term toxicity to fish and aquatic invertebrates is not considered necessary because:
- Short-term toxicity to fish and aquatic invertebrates is low, and
- The risk characterisation ratios (RCR) based on PNEC freshwater derived from the acute data are < 1.
Additional information
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