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EC number: 239-937-7
CAS number: 15834-04-5
No effects of the test substance on terrestrial organisms are expected.
No studies on long-term terrestrial toxicity
are available for this substance. Due to the high Koc a considerable
adsorption to sediment and soil is indicated. However,
2,2-bis[[(1-oxopentyl) oxy]methyl]propane-1,3-diyl divalerate
(CAS-No.15834-04-5) has been shown to be readily biodegradable.
Furthermore, basic data of a terrestrial plant toxicity test
(short-term, OECD 208) with the read-across substance Fatty acids,
C14-18 and C16-18 unsatd., triesters with trimethylolpropane (CAS
68002-79-9) is available, indicating no toxicity (NOEC = 300-1000 mg/kg
soil dw, LOECs = 1000 mg/kg soil dw). In addition, Fatty acid esters are
metabolised in Fatty acids and alcohols. These components occur in
sediment and soils naturally, are part of physiological pathways and can
be used as energy source. The enzyme carboxylesterase is omnipresent in
the environment, readily degrading this test substance. Thus, toxic
effects caused by the metabolites of fatty acid esters are implausible.
In conclusion, due to a) the observed absence
of toxicological effects on aquatic organisms, b) the lack of chronic
exposure and c) the, acknowledged metabolisation of fatty acid esters,
toxic effects to terrestrial organisms can be excluded.
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