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EC number: 200-814-8
CAS number: 74-84-0
The members of category are considered to be readily biodegradable.
members of category are gases and partition predominantly to the
atmosphere, and so
experimental data for their biodegradation in water are not appropriate. The
potential biodegradation rates of representative members of the category
were estimated using QSAR calculations. The results of the BioHCwin
predictions indicate that these substances will degrade rapidly, with an
estimated half-life of 2.5 to 3.5 days. The BIOWIN predictions indicate
that methane, ethane, propane and butane are expected to be readily
biodegradable, while isobutane is expected to biodegrade fast but is
predicted to be not readily biodegradable.
based on the weight of evidence available, the members of the category
are considered to be readily biodegradable.
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