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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

Aquatic toxicity studies with fatty acids, C9-C13-neo, barium salts are not available. Read-across to the assessment entities soluble barium substances and neodecanoic acid (structural analogue of fatty acids, C9 -13 -neo) is applied. 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). Data for neodecanoic acid point to a low toxic potential to aquatic microorganisms since an effect up to and at the highest test concentration was not observed resulting in a NOEC ≥ 200 mg/L. In sum, fatty acids, C9-C13-neo, barium salts is expected to have a low (if any) potential for toxicity to aquatic microorganisms.

Key value for chemical safety assessment

Additional information