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Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

Six studies on aquatic invertebrates are available of which three are considered reliable. Although the study by Vaishnav et al (1991) only used one test concentration, results from this study gave the most conservative result and this is therefore considered the key study.
Statistical analysis (t-test) of data indicated there was no significant (alpha = 0.05) difference between the number of daphnids immobilized in control and treatment exposures.
EC50>100 mg/L

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
100 mg/L

Additional information

The two studies performed by Pandard exhibited precipitation in the test media throughout the duration of the test. This precipitation is deemed to have interfered with the test organisms and the results are therefore concluded to be unreliable and are not taken into account further.