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Long-term toxicity to fish

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Description of key information

Worst-case NOEC (28 d) expected to be 2.0 mg/L (nominal)

Key value for chemical safety assessment

Additional information

Within the fatty acid category only one chronic fish test is avialable. In that 28 days test zebrafish (Danio rerio) were exposed to C12 fatty acid sodium salt (van Egmond et al. 1999) according to an OECD-guideline in a flow-through system. Different test concentrations were used in the test (nominal: 2.0, 3.6, 6.4, 11.2 and 20.0 mg/L corresponding to measured test concentrations of 2.2, 3.7. 6.6, 12.9 and 20.1 mg/L). The reported NOEC-values were 2.0 mg/L (nominal) for mortality and 6.4 mg/L (nominal) for growth.