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EC number: 200-879-2
CAS number: 75-56-9
Propylene oxide was found ready biodegradable (89% after 28 days)
under aerobic conditions in a modified MITI test (MITI 1988) and can
therefore be regarded as not persistent.
No experimental data are available for
bioaccumulation of propylene oxide. Based on the result of the
octanol/water partition coefficient (Log Kow of 0.055) propylene oxide
is not expected to significantly accumulate in aquatic organisms.
Therefore, propylene oxide can be regarded as not bioaccumulative
Experimental data on acute toxicity are
available for propylene oxide. All acute L(E) C50values are
much higher than the screening criterion of 0.1 mg/L. It can therefore
be expected that propylene oxide is not toxic towards aquatic organisms.
Propylene oxide, however, is classified as
carcinogenic and mutagenic Cat. 2. Therefore, propylene oxide is
assigned as being toxic.
Comparison with the Criteria of Annex XIII An
assessment of the PBT status of propylene oxide has been made using all
available data. The information available suggests that propylene oxide
does not meet the PBT screening criteria as outlined in Annex XIII of
Directive 2006/121/EC; that asubstance is identified as a
PBT substance if it fulfils the criteria infor persistence and for
bioaccumulation and for toxicity.
Regarding all available data on biotic and abiotic degradation,
bioaccumulation and toxicity it can be stated that the substance does
not fulfill the PBT/ vPvB
Because the substance does not fulfill the PBT and vPvB criteria,
no emission characterisation is performed.
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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