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EC number: 202-476-7
CAS number: 96-09-3
Results from acute tests with fish, Daphnia and algae are available. No
long-term studies were performed. The lowest short-term aquatic toxicity
test result is the fish (Cyprinus carpio) EC50 (96 h) = 6.9 mg/L (Acute
toxicity test). As there are no long-term data available and the
substance is rapidly degradable and
the log Kow ≥ 4 (Styrene oxide has an n-octanol/water partition
coefficient log Kow of 1.61 according to the peer-reviewed handbook) the
substance is not to be classified as hazardous to the aquatic
According to Directive 67/548/EEC as
well as GHS Regulation EC No. 1272/2008 styrene oxide is not
classified as hazardous to the environment.
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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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