Registration Dossier
Registration Dossier
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EC number: 949-745-1 | CAS number: -
Toxicity to soil macroorganisms except arthropods
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to soil macroorganisms except arthropods: short-term
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- Please see read-across justification document
- Reason / purpose for cross-reference:
- read-across source
- Key result
- Duration:
- 14 d
- Dose descriptor:
- LC10
- Effect conc.:
- > 1 000 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Executive summary:
The acute toxicity of the analogue substance 1,2,4-Benzenetricarboxylic acid, mixed decyl and octyl triesters to the earthworm eisenia foetida was determined during a 14 day exposure period according to EEC Methods for Determination of Ecotoxicity, Directive 88/302/EEC. For the limit test with a concentration of 1000 mg/kg dry soil, the test substance was mixed with silica sand and afterwards added to soil substrate. After 7 and 14 days the effects of the test substance on the earthworms' survival were examined. No mortality occurred at the tested concentration after 7 and 14 days. The 14 day LC50 to Eisenia foetida was observed to be > 1000 mg/kg dry soil.
Based on the structural similarity and the observations made in the aquatic toxcicity studies, it can be concluded that Esterification products of Guerbet alcohols, C24-26, branched and cyclic with benzene-1,2,4-tricarboxylic acid 1,2-anhydride will also not exhibit toxic effects in soil macroorganisms.
Reference
Description of key information
Based on the available information for the analogue substance and the observations made in the aquatic toxcicity studies, it can be concluded that Esterification products of Guerbet alcohols, C24-26, branched and cyclic with benzene-1,2,4-tricarboxylic acid 1,2-anhydride will also not exhibit toxic effects in soil macroorganisms.
Key value for chemical safety assessment
Additional information
The acute toxicity of the analogue substance 1,2,4-Benzenetricarboxylic acid, mixed decyl and octyl triesters to the earthwormEisenia foetidawas determined during a 14 day exposure period according to EEC Methods for Determination of Ecotoxicity, Directive 88/302/EEC. For the limit test with a concentration of 1000 mg/kg dry soil, the test substance was mixed with silica sand and afterwards added to soil substrate. After 7 and 14 days the effects of the test substance on the earthworms' survival were examined. No mortality occurred at the tested concentration after 7 and 14 days. The 14 day LC50 to Eisenia foetidawas observed to be > 1000 mg/kg dry soil.
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