Registration Dossier
Registration Dossier
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EC number: 291-169-1 | CAS number: 90342-32-8
Toxicity to soil macroorganisms except arthropods
Administrative data
Link to relevant study record(s)
Description of key information
Short term: EC50 (72 h) 98 mg/kg dw soil C. elegans (r-a)
Long term: In accordance with Column 2 of REACH Annex X the study does not need to be conducted.
Key value for chemical safety assessment
- Short-term EC50 or LC50 for soil macroorganisms:
- 98 mg/kg soil dw
Additional information
Short-term toxicity
A 72 h EC50 value of 98 mg/kg dw soil (1.3% organic carbon) has been determined for the effects of decanol (CAS 112 -30 -1) on population numbers of the nematode C. elegans.
No data is currently available with decanol branched and linear (CAS 90342-32-8), however data is available with the closely related substance decanol (CAS 112-30-1). It is possible to validly read-across data between the two substances, as outlined in the overall aquatic toxicity endpoint summary.
The study reflects the lowest reliable value that is available for this endpoint.
Long-term toxicity
In accordance with Column 2 of REACH Annex X, long-term toxicity testing with terrestrial invertebrates (required in Section 9.4.4) is not needed as the chemical safety assessment according to Annex I indicates that this is not necessary.
Moreover, considerable technical difficulties would be expected in the conduct of such a test, due to the very rapid biotic removal of the substance from the test system (based on experience in the long-term aquatic invertebrate study).
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