Registration Dossier
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EC number: 616-261-4 | CAS number: 75782-87-5
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
(48 h) EL50 >LoS and r-a from C14 and C18, D. magna
Key value for chemical safety assessment
Additional information
There is no measured data available on the effects of Alcohols, C14-15 on aquatic invertebrates. However data is available across the alcohols category group showing that the closely related substances and the range of individual constituents of this substance are expected to be non-toxic the solubility limit.
The major individual constituents of this substance have been identified as C14 and C15. The minor constituents (C13 and C16), although also expected to be non-toxic at the limit of solubility, are present at concentrations of 1% or less, therefore they are not thought to influence the outcome of the test.
C14 is non-toxic at the limit of solubility to Daphnia magna (Unilever 1995). Given the composition of Alcohols, C14 -15 and the trends seen in the category, it can be reliably expected that the substance should be considered non-toxic at the LoS.
48 h EL50 values of 0.13-0.29 mg/L as WAFs have been calculated by a validated QSAR method for the effects of Alcohols, C14-15 on the immobility of the freshwater invertebrate Daphnia magna. The water solubility of Alcohols, C14 -15 has been estimated to be 0.15 mg/L water accomodated fractions (WAFs) at a loading rate of 1000 mg/L. Therefore the calculated EL50 is near the limit of solubility (LoS). Since the prediction is around the limit of solubilty and there is evidence that the smaller carbon number constituent is non-toxic at the limit of solubility, the prediction should not be used to determine the classification of the substance.
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