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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

toxicity to terrestrial arthropods: long-term
Type of information:
read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Justification for type of information:
The justification for the read across category approach is included in IU section 13.

Data source

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
Benzenesulfonic acid, C20-24 (even numbered) alkyl derivs.
Molecular formula:
C9H12SO3(CH2)n n=17-21
Benzenesulfonic acid, C20-24 (even numbered) alkyl derivs.
Test material form:
other: liquid
Details on test material:
The test substance is a brown viscous liquid with sulfurous odor.

Results and discussion

Effect concentrations
28 d
Dose descriptor:
Effect conc.:
205 mg/kg soil dw
Nominal / measured:
Basis for effect:

Applicant's summary and conclusion

Groups of F. candida were exposed to concentrations of 25-300 mg LAS/kg soil. Exposure lasted 28 days, after which adult survival and reproductive parameters were examined. The EC10 based on reproduction was 205 mg/kg soil. The EC10 for Folsomia candida based on reproduction was 205 mg/kg soil.