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EC number: 268-692-9
CAS number: 68133-60-8
Adsorption to the solid soil phase is not expected.
A calculated log Koc of 2.88 is available (BASF SE, SRC PCKOC
v2.0, 2012). This value refers to the uncharged molecule. The test
substance is a salt and will therefore exist as an ion in the
environment. Hence, the PCKOC-model may estimate adsorption to organic
carbon defectively since it does not consider the ionic properties of
the molecule. In a calculation conducted according to a publication by
Franco & Trapp, 2008 using the parameters pKa = 2.78 and log Pow = -1.81
(values for the uncharged molecule, chemicalize.org online query on
19-04-2013) a log Koc range from 1.03 to 1.34 at pH 5 to pH 9 was
determined for the ionized molecule. Based on these data the test
substance is not expected to bind to the solid soil phase.
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