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EC number: 200-835-2
CAS number: 75-05-8
No experimental data on
bioaccumulation are available for acetonitrile. Based
onlow Kow values and high water solubility very low
bioaccumulation potential is expected.
A bioconcentration factor for fish of 0.3 was calculated by Howard, 1993
using the log Pow= -0.34 value of Leo, 1971 and regression
equations defined in Lyman et al (1982). This bioconcentration factor is
in agreement with other calculated values which are in the range of
0.3-0.4 (EPA; 1991). An estimated BCF of 3 was calculated for
acetonitrile by HSDB, 2009 using a log Kow of -0.34 (Hansch, 1995) and a
regression-derived equation (Meylan, 1999). US EPA BCFWIN software
(v2.17) generated an estimated BCF of 3.162 for acetonitrile based on
the experimental log Kow of -0.34.
Regardless of the specific QSAR
equation applied for these calculations the information consistently
indicates a lack of bioaccumulation potential for acetonitrile in the
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