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EC number: 700-323-3
CAS number: 908020-52-0
A log Koc of 1.06 (11.4 L/kg) can be taken as representative for EEA-NH4.
A GLP-compliant OECD guideline 121 study is
available (TNO Quality of Life, 2008b). Two test were performed, in the
first test methanol/water 55/45 v/v % was used and during the second
test a methanol/water 55/45 v/v % mixture made up to pH 5.5 with formic
acid and ammonium formiate was applied. Under both conditions the log
Koc of the EEA ion of EEA-NH4 could not be determined, because the
negatively charged EEA ion exhibited a peak in the chromatogram with
retention time lower than t0. Therefore, the organic carbon-water
partitioning coefficient (Koc) was calculated from the octanol-water
partition coefficient (log Kow) using the equation from EUSES
(predominantly hydrophobics). The calculated log Koc is 11.4 L/kg (log
value = 1.06) from a log Kow of 1.18. This predicted value is used in
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