Registration Dossier
Registration Dossier
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EC number: 500-189-4 | CAS number: 68081-91-4 1 - 2.5 moles ethoxylated
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
In the key-study a LC50-value for fish of 7.1 mg a.s./L could be determined after 96 h of exposure
Nevertheless that endpoint is not used for PNEC-calculation as PNEC-values were calculated on the basis of a QSAR-model for chronic toxicity.
Key value for chemical safety assessment
Additional information
For alcohol AES (C12-18, 1-2.5EO) Na (CAS 68081-91-4) no acute test on fish is available. Thus, as a worst-case assumption read-across is prepared to a study conducted with alcohol C12 -14 ethoxysulfates. In that test zebrafish (Danio rerio) were exposed to different concentrations of alcohol ethoxysulfates (2EO) (purity of the test substance. 71.5% a.s.) in a flow-through system. The study was conducted according to the guidelines OECD 203 and EG Guideline 92/69 C.1 under GLP-conditions. The resulting LC50 (96 h)-value is reported to be 7.1 mg a.s./L (Scholz, Sasol, 1994).
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