Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Hazard for air
Hazard for terrestrial organisms
Hazard for predators
Additional information
Conclusion on classification
According to CLP regulation No. 1272/2008 when experimental data do not allow classification under the criteria dictate for environmental hazard but there are
nevertheless some grounds for concern related to poorly soluble substances and which
are not rapidly biodegraded, a “safety net” classification as Aquatic chronic 4 can be applied.
Exposure to the test item to invertebrates (Daphnia magna) for 48h and to algae for 72h resulted in a EL50 >100 mg/L and an ELr50 >100 mg/L, respectively.
However, exposure to algae resulted to a NOEC for growth rate of 32 mg/L.
Further, experimental data showed that the substance is not readily biodegradable, a log Pow between 1.7 and 6.2 and a low water solubility ranging between 0.85 and 225 mg/L.
As such, even though no acute toxicity has been measured in a short-term (acute) test, it remains likely that such non-rapidly degradable substance may exert chronic effects, particularly since such low degradability may lead to an extended exposure period in the aquatic environment.
Thus, according to CLP regulation No. 1272/2008, a classification for Aquatic chronic 4 has been applied as conservative approach.
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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