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EC number: 292-562-0
CAS number: 90640-43-0
Log BCF of 0.50 (BCF = 3.2) is calculated based on the measured log Kow value of -0.6 with EpiSuite v4.0.
The alkyl-1,3-diaminopropanes are readily biodegradable and it is
therefore unlikely that they will accumulate in the food chain.
The bioaccumulation potential is estimated using EpiSuite v4.0 and the
measured log Kow value. The measured log Kow was determined with the
slow stirring method which is considered the most suitable method
available for these sort of substances. The calculated log Kow is not a
suitable alternative for the experimentally determined log Kow because
the log Kow calculation method does not take into account the fact that
the diamines are protonated for more than 99% protonated under
environmental conditions. Therefore the BCF calculation is based on the
measured log Kow. The calculated BCF value of 3.2 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 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
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