Registration Dossier
Registration Dossier
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EC number: 438-600-3 | CAS number: 110675-26-8
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
Adsorption to solid soil phase is expected.
Key value for chemical safety assessment
Additional information
Since no test data on adsorption/desorption behaviour of the test substance are available a conclusion by analogy approach to the structure analogue substance 4,6-bis(octylthiomethyl)-o-cresol (CAS 110553-27-0) has been applied. In this GLP-study according to OECD guideline 106, the adsorption/desorption characateristics were tested in 5 soils. The resulting Koc-values ranged from >18 to >109.
Read across justification:
According to regulation (EC) No 1907/2006, Annex XI, paragraph 1.5., substances whose physicochemical, toxicological and ecotoxicological properties are likely to be similar or follow a regular pattern as a result of structural similarity may be considered as a group, or "category" of substances. Environmental effects or environmental fate may be predicted from data for reference substance(s) within the group by interpolation to other substances in the group (read-across approach).
The substance (EC No. 402 -860 -6) has an identical basic structure as the read across substance (EC No. 438 -600 -3). The only difference between the two substances are the carbon side chains which vary in length. EC No. 402 -860 -6 contains 8 C-atoms whereas EC No. 438 -600 -3 contains 12 C-atoms. The physical and chemical properties are very similar. Thus, it is acceptable to predict the environmental behaviour from data of EC No. 402 -860 -6.
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