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EC number: 225-805-6
CAS number: 5089-70-3
reasonable estimate of BCF (91) can be obtained by estimation from log
Kow using the method in the Technical Guidance Document on Risk
Assessment (EC 2003, Part III. Chapter 4, Section 184.108.40.206, Page 31 -
33). This method predicts reasonably well for the limited BCF data that
are available for the silanes and siloxanes category. The chemical
safety assessment will investigate whether uncertainty in the predicted
BCF value is significant by assessing the effect of using BCFs a factor
of ten higher or lower than the predicted BCF.
-chloropropyl)triethoxysilane hydrolyses (half-life 35 h, measured) in
contact with water to (3 -chloropropyl)silanetriol and ethanol, therefore,
hydrolysis products (3 -chloropropyl)silanetriol and ethanol have low
log Kow values (-1.1, predicted, and -0.31, measured, respectively), and
thus have low potential for bioaccumulation.
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