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EC number: 218-235-4
CAS number: 2090-05-3
Aquatic toxicity studies with calcium
dibenzoate are not available, thus aquatic toxicity will be addressed
with existing data on the dissociation products.
Calcium: Calcium as an essential
element has a very low potential for toxicity to freshwater and
saltwater invertebrates and adverse
effects are lacking up to and including the respective OECD/EC
guidelines limit concentrations.
Benzoic acid: Reliable acute aquatic
toxicity data of benzoic acid are available from guideline studies for
daphnia. The lowest EC50 value is estimated with > 100 mg/L. In sum,
benzoic acid has a low potential for acute toxicity to aquatic
Calcium dibenzoate: Using existing
aquatic toxicity data of the dissociation products of calcium
dibenzoate, the aquatic hazard assessment is based on the most toxic
moiety, i.e. the benzoate anion. Existing aquatic toxicity data of
benzoic acid are recalculated for calcium dibenzoate based on a maximum
benzoate content of 85.8 %. Reliable acute aquatic toxicity data are
available from guideline studies for daphnia; the lowest EC50 value is
estimated with > 115.6 mg/L. In sum, calcium dibenzoate has a low
potential for acute toxicity to aquatic invertebrates.
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