Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 201-052-9
CAS number: 77-73-6
results were identified for the three trophic levels (algae,
invertebrates, and fish) with variable reliability. Key studies and
supporting studies are included in this report. A weight of evidence
approach has been taken for both the short term toxicity to fish and
short term toxicity to algae and cyanobacteria. The following sections
detail the robust summaries prepared for these studies in the
appropriate sections. The selected key study is also highlighted in the
lowest acute result was for aquatic invertebrates. A new proprietary
study conducted under GLP and to guideline has been used as the key
study for this endpoint. The study gives a 48 hour EC50 value of 0.823
mg/L. Although a lower result is available for this endpoint, this is
taken from a study with no analytical confirmation of the test
concentrations and therefore the new proprietary study is considered
more robust. The use of the lower result would not change the
classification applied or the exposure assessment.
of the studies evaluated exceed the acute LC50 toxicity (T) screening
criteria of <0.1 mg/L. A further evaluation of the data on the basis of
the available NOECs indicates that the criteria in Annex XIII of <0.01
mg/L for toxicity to aquatic organisms (fresh and marine) is not
exceeded. These values indicate that the toxicity criteria stipulated in
Annex XIII would not be met. Therefore, dicyclopentadiene is not
considered to be T within the PBT assessment on the basis of the
screening criterion and there is evidence that the criterion stipulated
in Annex XIII is also not met.
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.
Ce site web utilise des cookies afin de vous garantir la meilleure expérience possible sur nos sites web.
Welcome to the ECHA website. This site is not fully supported in Internet Explorer 7 (and earlier versions). Please upgrade your Internet Explorer to a newer version.
Do not show this message again