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Diss Factsheets

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

The average percentage of degradability based on biochemical oxygen demand (BOD) over the 28-day exposure period was 11%.

2-(Allyloxymethyl) acrylic acid methyl ester was concluded not to be readily biodegradable under the test conditions.

The average transformation rate of 2-(Allyloxymethyl) acrylic acid methyl ester to 2-(Allyloxymethyl) acrylic acid was 108%.

Additional information

A Ready Biodegradability Study (Mitsubishi Chemical Medience Corporation, 2011, Study A110354) was conducted to evaluate the ready biodegradation (measured by biochemical oxygen demand over 28 days, dissolved organic carbon, the residual amount of the test substance and the amount of the transformation product).

The average percentage of degradability based on biochemical oxygen demand (BOD) over the 28-day exposure period was 11%, so 2-(Allyloxymethyl) acrylic acid methyl ester was concluded not to be readily biodegradable under the test conditions. Despite low BOD (11%), the disappearance rates of the residual amount of the 2-(Allyloxymethyl) acrylic acid methyl ester were calculated to be 99% or greater. This suggests that the most of the 2-(Allyloxymethyl) acrylic acid methyl ester is transformed.

It has been reported that hydrolysis of the ester bond of the test item generates 2-(Allyloxymethyl) acrylic acid and methanol. According to the results of the quantitative determination of 2-(Allyloxymethyl) acrylic acid the average transformation rate was 108%. Methanol is judged to be readily biodegradable and it was estimated to have been degraded by activated sludge.