Registration Dossier
Registration Dossier
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EC number: 947-854-9 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Experimental studies investigating the short-term toxicity of
Fatty acids C16-18 (even numbered), mono and diesters with sucrose (no
CAS) to aquatic organisms are available. All studies were performed
under GLP conditions according to standard OECD guidelines.
Fish turned out to be the most sensitive species with a LC50 (96
h) of 3.3 mg/L (measured arithmetic mean). No effects to aquatic
invertebrates and aquatic algae up to a limit concentration of 100 mg/L
(nominal) were recorded. The resulting effect concentrations were
reported as > (ECx) or ≥ (NOEC) the limit concentration. An analytical
monitoring of the test concentrations in the medium was only done in the
acute fish study (HPLC/UV-analysis). The analysis indicated that the
substance was sufficiently stable throughout the duration of the test.
Thus, it is assumed that the substance is stable in aqueous test media
and it is justified that the effect concentrations are based on nominal
values.
Testing for inhibition of respiration of activated sludge microorganisms
resulted in an EC50 (3 h) > 1000 mg/L. Therefore, it is not anticipated
that the test item inhibits the degradation process in sewage treatment
plants.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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