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Ecotoxicological information

Toxicity to terrestrial plants

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Parent compund CAS 107 -31 -3

Short-term and long-term toxicity:

According to Regulation (EC) 1907 (2006) Annex IX section 9.4.1 column 2, a study on toxicity to soil macroorganisms does not need to be conducted as the substance is considered to be readily biodegradable. The test substance is not supposed to be directly applied to soil and an indirect exposure to soil via sewage sludge transfer is unlikely since the substance is readily biodegradable, according to OECD criteria (93% CO2 evolution, after 28 days, OECD 310, BASF SE, 1997). For a substance being considered as „readily biodegradable“, it can be assumed that it will be biodegraded within the STP process and as a consequence a transfer to the soil compartment is not expected. As a consequence, no tests on terrestrial organisms are provided.

Hydrolysis product formic acid/formate (CAS 64 -18 -6)

Short-term and long-term toxicity:

According to Regulation (EC) 1907 (2006) Annex IX section 9.4.1 column 2, a study on toxicity to soil macroorganisms does not need to be conducted as the substance is considered to be readily biodegradable. The test substance is not supposed to be directly applied to soil and an indirect exposure to soil via sewage sludge transfer is unlikely since the substance is readily biodegradable. The substance is readily biodegradable in freshwater based on the results of standard ready tests that show 71.5 – 95 percent removal after 5 and 20 days, respectively (Price et al. 1974; Wagner 1976). In marine water degradation rates were found between 69 - 97 % (Price et al. 1974).  For a substance being considered as „readily biodegradable“, it can be assumed that it will be biodegraded within the STP process and as a consequence a transfer to the soil compartment is not expected. As a consequence, no tests on terrestrial organisms are provided.

Hydrolysis product methanol (CAS 67 -56 -1)

Short-term and long-term toxicity:

According to Regulation (EC) 1907 (2006) Annex IX section 9.4.1 column 2, a study on toxicity to soil macroorganisms does not need to be conducted as the substance is considered to be readily biodegradable. The test substance is not supposed to be directly applied to soil and an indirect exposure to soil via sewage sludge transfer is unlikely since the substance is readily biodegradable, according to OECD criteria (93% CO2 evolution, after 28 days, OECD 310, BASF SE, 1997). For a substance being considered as „readily biodegradable“, it can be assumed that it will be biodegraded within the STP process and as a consequence a transfer to the soil compartment is not expected. As a consequence, no tests on terrestrial organisms are provided.