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EC number: 200-835-2
CAS number: 75-05-8
In their review (EU Risk
Assessment, 2000), the EU Competent Authority concluded that
acetonitrile should be considered as ready biodegradable for local
scenarios if WWTP is available.
New information (Brixham, 2010;
CITI of Japan, 1998) obtained since the time of the EU RAR confirm that
acetonitrile is readily biodegradable by non-acclimated organisms. In
both cases pass levels were succesfully reached within the relevant
test/time window period confirming the readily biodegradable nature of
With such a classification
acetonitrile is expected to be quickly degraded in the environment with
removal in soil expected to be efficient and rapid. It is also expected
that removal by sewage sludge would be significant if any emissions to
the STP were made.
Aerobic biodegradation is expected to be the major loss process in soil
and water; volatilization may become competitive in shallow water.
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