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EC number: 204-317-7
CAS number: 119-36-8
Biodegradation: 68.8% of DOC within 3 days and 98.4 % of DOC within 28 days (sealed vessel test)
One reliable key study is available for this
endpoint (KING J.M.H., 1996). In this study,
the evaluation of the biodegradability of Methyl salicylate was
conducted in accordance with the draft Ecotoxicology Section Standard
Operating Procedure N° 158 01 (Operation of the Sealed Vessel Test). The
sealed vessel test is a CO2 production test based on OECD Guideline 301
B (Ready Biodegradability: CO2 Evolution Test).
effluent from an unacclimatized activated sludge plant at URL North was
used as inoculum. The samples were incubated for 28 days at 20°C.
Analysis of both the headspace and the liquid medium for CO2/DIC was
performed on day numbers: 3, 8, 10, 14, 17, 21, 24, and 28 and the
extent of biodegration determined. The test substance was degraded to
68.8, 89.3 and 98.4% after 3, 8 and 28 days respectively.
it was not possible to check the validity criteria due to lack of data,
based on the results reported, Methyl salicylate should be considered as
readily biodegradable. Indeed, 68.8% of biodegradation occurred within 3
days only, and therefore the 10-days window was met.
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