Registration Dossier
Registration Dossier
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EC number: 694-876-7 | CAS number: 1345668-41-8
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
Two studies conducted according to OECD 201 guideline are available on the toxicity to aquatic algae for hydrocarbons, C7-C9, n-alkanes, isoalkanes, cyclics (Shell 1995, 2000). The toxicity, as measured by inhibition of growth rate to Pseudokirchnerella subcapitata, was evaluated in freshwater by using water accommodated fractions (WAFs). Under the conditions of these studies, the test substance, hydrocarbons, C7-C9, n-alkanes, isoalkanes, cyclics produced toxicity to Pseudokirchnerella subcapitataat 10-30 mg/L measured as growth inhibition (Shell 1995, Shell 2000), based on nominal loadings of the test substance in water. For growth inhibition the NOELR was determined to be 10 mg/L (Shell 1995) and 6.3 mg/L (Shell 2000). The data from these two studies are used as read-across data to Distillates (Fischer-Tropsch), C8 -10-branched and linear.
Read across justification is provided in the Read Across Document attached to Section 13
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