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EC number: 204-066-3
CAS number: 115-11-7
The lowest calculated acute result is a 96
hour EC50 for green algae of 13.6 mg/L and the lowest calculated chronic
result is for aquatic invertebrates with a NOEC of 1.2 mg/L. A measured
log Kow of 2.31 - 2.4 for members of the butenes category indicates the
potential for bioaccumulation to be low. Measured data are not available
to demonstrate that butenes are readily biodegradable but QSAR estimates
indicate that biodegradation is expected to be rapid. In addition,
butenes are expected to rapidly partition to the air from water, further
reducing the potential for exposure. Taken together, these results do
not support any classification for acute or chronic hazard to the
environment under the CLP Regulation. Taken together with
the acute toxicity results, these results do not support any
classification for acute or chronic hazard to the environment under the
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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