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Short-term toxicity to aquatic invertebrates

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Description of key information

Acute immobilisation in Daphnia has been investigated with read-across substance, tris(2-ethylhexyl)benzene-1,2,4-tricarboxylate. The EC50 (48h) was determined to be >180 mg/L and the NOEC was 180 mg/L.
In an acute Daphnia toxicity study conducted with the test substance, triisodecyl benzene-1,2,4-tricarboxylate, the 24 h EC50 value was 1.5 mg/L, however, there was test substance floating on surface of water at 5.8 mg/L (nominal) after 24 h exposure, which may have affected mobility of Daphnia, therefore the results of this study are not considered to be reliable.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
180 mg/L

Additional information

Acute immobilisation in Daphnia has been investigated with read-across substance, tris(2-ethylhexyl)benzene-1,2,4-tricarboxylate, in a 48 hour test conducted according to OECD test methods. Dissolution/dispersion agents were used to increase concentration of the substance in the test medium. The EC50 (48h) was determined to be >180 mg/L and the NOEC was 180 mg/L, the highest concentration investigated.

In an acute Daphnia toxicity study conducted with the test substance, triisodecyl benzene-1,2,4-tricarboxylate, the 24 h EC50 value was 1.5 mg/L, however, there was test substance floating on surface of water at 5.8 mg/L (nominal) after 24 h exposure, which may have affected mobility of Daphnia, therefore the results of this study are not considered to be reliable.

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