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EC number: 629-732-4
CAS number: 1224966-13-5
valid ready biodegradability test results for Fatty acid C18 unsaturated diethylenetriamine
available because fatty amine derivatives are usually toxic and/or
poorly available to micro-organisms. Fatty
acids C18 unsaurated reaction products with diethylenetriamine tested in
the presence of silica gel were biodegraded 24% at day 28 in the Closed
Bottle test. This test substance should therefore not be classified as
readily biodegradable. In the enhanced (prolonged) Closed Bottle test,
Fatty acids C18 unsaturated diethylenetriamine imidazoline was
biodegraded 61% at day 60 (AkzoNobel, 2010). The biodegradation reached
at the day 60 demonstrates that Fatty acids C18 unsat.
diethylenetriamine imidazoline is ultimately biodegradable and not
biodegradation and or hydrolysis products of Fatty acids C18 unsat.
diethylenetriamine imidazoline i.e. fatty acids and diethylenetriamine are
readily biodegradable also proving the ultimate degradation of Fatty
acids C18 unsat.
acids C18 unsaturated reaction products with polyethylenepolyamines were
biodegraded 23% at day 28 in a MITI test. This test substance should
therefore not be classified as readily biodegradable (IVL, 1983). More
recently comparable results were obtained in Closed Bottle tests (van
Ginkel et al, 2010). Partial biodegradation of Fatty acids C18
unsaturated reaction products with polyethylenepolyamines was
anticipated because polyethylenepolyamines
not biodegradable. The biodegradation curves found demonstrate that
Fatty acids C18 unsat
reaction products with polyethylenepolyamines are
readily converted into polyethylenepolyamines.
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