Registration Dossier
Registration Dossier
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EC number: 201-201-8 | CAS number: 79-38-9
Endpoint summary
Administrative data
Description of key information
Additional information
On the grounds of the physico-chemical properties of CTFE and the results on environmental fate obtained from EQC Fugacity III Model (EQC Fugacity III Model, v.2.02, May 2003)
, the substance is expected to primarily and rapidly partition to the atmosphere. No exposure to the aquatic environment is consequently expected.Moreover, the Guidance on Information Requirements and Chemical Safety Assessment Chapter R.7a: Endpoint Specific Guidance, Appendix R.7.1-4 indicates that substances with a Henry's Law constant of around 1 hPa m3/mole rapidly volatilize from water.
The substance profile itself indicates the difficulty to properly test CTFE and provide meaningful results of its biodegradation in aqueous systems as well as in sediment and soil. Nevertheless a further assessment based on Quantitative Structure Activity Relationships (QSARs) has been however applied.
Particularly,in order to evaluate the biodegradation hazard profile of CTFE, the BIOWIN v.4.10, EPI Suite v.4.0 model has been applied.
The prediction of the BIOWIN model suggests that CTFE is not ready biodegradable.
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