Registration Dossier
Registration Dossier
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EC number: 204-411-8 | CAS number: 120-61-6
Endpoint summary
Administrative data
Description of key information
Additional information
The threshold that triggers the need to investigate a potential bioconcentration/bioaccumulation tendency experimentally is a log10 Kow value greater than or equal to 3.0. A study of the octanol/water partition coefficient performed according to the shake-flask procedure of OECD Guideline 107 provides a measured value for log Kow of 2.21 for dimethyl terephthalate (DMT). The US EPA's KOWWIN model predicts a log Kow of 1.66 for DMT and the database on which the model is constructed contains a published (public domain) value of 2.25 (Hansch, C.et al., 1995). All three of these log10 Kow values lie below the trigger of 3.0 and dimethyl terephthalate is therefore not expected to exhibit significant bioconcentration or bioaccumulation tendencies. Studies of bioconcentration/bioaccumulation are not triggered for DMT.
It may be concluded that dimethyl terephthalate is not bioaccumulative (not B).
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