Registration Dossier
Registration Dossier
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EC number: 268-460-7 | CAS number: 68092-47-7
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
The ions of barium m-toluate determine its fate and toxicity in the environment. Reliable data available for soluble barium substances indicate a low (if any) toxic potential of barium cations since the 3-h NOEC for respiration inhibition of barium chloride is >= 1000 mg/L (test limit of OECD TG 209). An EC10 of 543 mg/L m-toluic acid (nominal) was derived for the 3-h respiration inhibition of activated sludge whereas the corresponding EC50 is above the highest test concentration of 1000 mg/L. Further, m-toluic acid is ready biodegradable. Thus, the potential of barium m-toluate for toxicity to aquatic microorganisms is expected to be low.
Key value for chemical safety assessment
Additional information
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