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EC number: 253-452-8
CAS number: 37294-49-8
Table: Koc determination results
Capacity factor k'
1 From OECD TG 121 , Annex Table
2 From OECD TG 121, Annex Table 3
The HPLC method as described in OECD
guideline 121, using 55/45 (v/v) methanol water as mobile phase and
using soil-adsorption-reference data, was applied for the determination
of the adsorption coefficient (Koc) of the test substance. The column
temperature was 30°C. The dead time was determined by using formamide.
The main constituent of the substance showed a large
peak in the HPLC-UV chromatogram. From its retention time the log Koc of
the substance was calculated to be 1.59 (Koc: 36.3). The result has to
be treated with care as the surface active property of the substance
might influence the outcome of this HPLC method.
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