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EC number: 202-500-6
CAS number: 96-33-3
Methyl acrylate is readily biodegradable according to OECD criteria.
In a CO2-Headspace test according to
ISO 14593 which is identical to OECD 310 (Ready Biodegradability - CO2
in sealed vessels) methyl acrylate was readily biodegradable. The
inoculum used in this study was domestic activated sludge from a
laboratory wastewater treatment plant fed with municipal sewage. The
assay was conducted at a test substance concentration of 35 mg/L
equivalent to 20 mg/L TOC at 22 °C in the dark. After 28 days a
biodegradation degree of 90 - 100 % (TIC/ThIC) was determined. The
10-day-window criterion for ready biodegradability was fulfilled (BAMM
Methyl acrylate was tested in a closed
bottle test performed in accordance with OECD guideline 301D, attaining
50 - 60 % BOD of ThOD within 28 days (BAMM 1996). It was significantly
degraded (> 30 % within 14 days) in a MITI test with a mixed inoculum of
soil, surface water and sewage (Sasaki 1978).
Based on the presented test results,
methyl acrylate is considered to be readily biodegradable.
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