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EC number: 200-001-8
CAS number: 50-00-0
Exposure to organisms via sediment is very unlikely since the test item does not distribute into sediment with high probability. Therefore, no testing on sediment organisms is required.
The test item is highly soluble in water (~550 g/L, c.f. 4.8.) and is readily biodegradable (Frauenhofer IME, 2011) therefore an exposure via sediment is not expected. This is underlined by valid Mackay Level I distribution modelling (BASF, 2008). According to this calculation sediment is not a target compartment of the test item. When released into the environment 98.8 % will remain in the water phase and 1,16 % will evaporate to the air (see table 1). In order to this, a distribution to soil and sediment is not expected. In addition, the test item has a low log Kow (0.35, Hansch et al., 1995) and does not tend to bioaccumulate in organisms.
In conclusion, exposure of sediment organisms is very unlikely and further experimental studies won’t reveal new findings with a high probability.
Table 1: Mackay Level I calculation (BASF, 2008)
Percent distribution in media (%)
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