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EC number: 931-333-8
CAS number: 147170-44-3
In an OECD
Guideline 121 study for the estimation of the adsorption coefficient
(Koc) on soil and on sewage sludge using HPLC the log Koc values of C12
and C14 AAPB were determined. Based on these Koc values, C12 AAPB was
used as training structure for the ACD software and Koc values were
calculated (with additional use of EUSES), for C8, C10, C14, C16 and C18
AAPB resulting in 89.3 (C8 derivate), 303 (C10 derivate), 726 (C12
derivate corresponding to C12 AAPB), 4870 (C14 derivate corresponding to
C12 AAPB), 16500 (C16 derivate), and 56000 (C18 derivate). According to
the classification scheme of Blume & Ahlsdorf (1993), a low (C8
derivate), medium (C10 derivate), high (C12 and C14 derivates), and very
high (C16 and C18 derivates) sorption onto soil organic matter is to be
expected. ACD/EUSES Koc and Kow values were used for further
calculations (environmental exposure and risk assessment).
Due to the
ionic structure of AAPB and a corresponding negligible vapour pressure
volatilisation of AAPBs is negligible and therefore relevant
concentration of the substance in the atmospheric compartment is not
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