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Ecotoxicological information

Long-term toxicity to fish

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Description of key information

Aquatic toxicity studies with substance zinc dipropionate are not available. In the assessment of substance zinc dipropionate, read-across to the assessment entities soluble zinc substances and propionate is conservatively applied since the ions of substance zinc dipropionate determine its fate and toxicity in the environment. The aquatic hazard assessment is based on the most toxic moiety, i.e. the zinc cation.

Please refer to the section for the respective assessment entity for data on the moieties. In brief:

Propionate:

Long-term toxicity testing in fish has been waived.

Zinc:

Freshwater:

Data on 7 species available. Species NOECs range between 0.044 and 0.530 mg Zn/L (dissolved concentrations)

Marine:

Data on 1 species available. NOEC = 0.025 mg Zn/L (dissolved concentrations)

Key value for chemical safety assessment

Additional information