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EC number: 696-364-9
CAS number: 133779-11-0
The alkyl-1,3-diaminopropanes are readily biodegradable and it is therefore unlikely that they will accumulate in the food chain. Since there is a measured log Kow value, this is used to predict the bioaccumulation potential. Based on the measured log Kow value of 1.5 the calculated log BCF is 0.66 (BCF = 4.6; EpiSuite v4.0).
Although the calculated log Kow value of 7.69 (EPIsuite v4.0) for
the unprotonated N-(hydrogenated tallow alkyl)trimethylendiamines (CAS
no 68603-64-5) is clearly higher than the measured value of 1.5 (OECD
123), preference is given to base the calculated BCF on the measured log
Kow value. The calculated BCF value of 4.6 indicates that
alkyl-1,3-diaminopropanes have a low bioaccumulation potential. The low
calculated BCF is considered to be realistic as the fraction of
unprotonated amines will be very low in the environment.
The alkyl-1,3-diaminopropanes are readily biodegradable and it is
therefore unlikely that they will accumulate in the food chain. The
predicted BCF value could even be lower, as the calculation of the BCF
is not taking into account metabolism of the compound, e.g. by fish and
other aquatic organisms.
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