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EC number: -
CAS number: -
The toxicity to aquatic algae and cyanobacteria of FAT 41043/A TE was investigated according to OECD Guideline Nr. 201, EU Method C.3 and GLP principles. No reduction of growth rate was recorded at any of the concentrations of FAT 41043/A TE tested. The EC50 for growth rate reduction (ERC50: 0-72h) was beyond the range tested, i.e. exceeded a TWA concentration of 21 ng/l obtained in an undiluted filtrate prepared at a loading rate of 100 mg/l. The NOEC for growth rate reduction was 21 ng/l.
Due to the very low solubility of FAT 41043/A TE in water, concentration
levels that might be toxic for algae could not be reached.
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