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EC number: 220-449-8
CAS number: 2768-02-7
[trimethoxy(vinyl)silane]: Low potential for adsorption due to very
rapid hydrolysis in contact with water
Log Koc for silanol hydrolysis
product = -0.02 (predicted).
substance hydrolyses very rapidly to substances which have low
log Kow values (<3) and thus have low potential for
adsorption, and the requirement for testing is waived.
For environmental exposure
assessment, adsorption is predicted for the silanol hydrolysis product
using the‘non-hydrophobics’ log Kow-based
prediction method for log Koc developed by Sabljic and Güsten
(1995) for the European Commission, and recommended in EU Guidance.
The relevant equation is:
Log Koc= 0.52 log
Therefore, log Koc for
silanol hydrolysis product, vinylsilanetriol = -0.02.
Sabljic A and Güsten H (1995)
QSARs for soil sorption. in: overview of structure-activity
relationships for environmental endpoints. Hermens JLM (ed), report
prepared within the framework of the project "QSAR for prediction of
fate and effects of chemicals in the environment", an international
project of the Environmental Technologies RTD programme (DG XII/D-1) of
the European Commission under contract number EV5V-CT92-0211.
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