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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
Benzoic acid: Reliable chronic aquatic
toxicity data of benzoic acid are available from guideline studies for
daphnia. The lowest 21-d NOEC value amounts to 25 mg/L. In sum, benzoic
acid has a low potential for chronic toxicity to aquatic invertebrates.
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 chronic aquatic toxicity data are
available from guideline studies for daphnia; the lowest EC50 value
amounts to 28.9 mg/L. In sum, calcium dibenzoate has a low potential for
chronic toxicity to aquatic invertebrates.
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