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EC number: 212-769-1
CAS number: 868-14-4
Tartaric acid and its salts are not expected to be toxic to algae.
Based on the data obtained from short-term assays conducted on
several algae strains, tartaric acid is not expected to be toxic to this
Based on the assumption that in dilute aqueous conditions of defined pH,
a salt will be fully dissociated and will behave no differently to the
parent acid at identical concentration of the particular speciated form
present, the aquatic toxicity of tartaric acid salts (i.e. monosodium,
monopotassium, sodium potassium, sodium, potassium and calcium tartrate)
may be assessed using data specific for tartaric acid. Therefore, also
the tartaric acid salts are deemed to be non-toxic to aquatic algae.
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