Registration Dossier
Registration Dossier
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EC number: 310-080-1 | CAS number: 102242-49-9 The complex residue resulting from the vacuum distillation of C6-24 fatty alcohols which is derived from hydrogenation of C6-24 fatty acids methyl esters. It consists predominantly of satd. fatty alcohols having carbon numbers greater than C18, dimerization products, and long chain esters having carbon numbers greater than C32 and boils at > 250°C (482°F) at 10 torr.
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
In the only available (and reliable) study, no effects on algae were observed for nominal concentrations up to 100 mg/l.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 100 mg/L
- EC10 or NOEC for freshwater algae:
- 100 mg/L
Additional information
The toxicity of the test substance to the algae Desmodesmus subspicatus was investigated in a study according to OECD Test Guideline 201 under GLP.
As the substance is pratically not water soluble, it was prepared by adding 6.25, 12.5, 25, 50 and 100 mg into 1000 mL culture medium, stirring for 24h and filtering. As a result, test substance preprations were clear solutions. After 72h under static conditions, no effects (yield and biomass) were present. Therefore, the EC50 of the test substance to algae was > 100 mg/l (nominal).
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