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Environmental fate & pathways

Adsorption / desorption

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Reference
Endpoint:
adsorption / desorption: screening
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the physicochemical properties of the substance indicate that it can be expected to have a low potential for adsorption
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING
In accordance with Column 2 of REACH Annex IX, the study does not need to be conducted since the substance is expected to have a low potential for adsorption (Log Kow < 3).
Reason / purpose:
data waiving: supporting information
Reason / purpose:
data waiving: supporting information
Reason / purpose:
data waiving: supporting information
Reason / purpose:
data waiving: supporting information
Reason / purpose:
data waiving: supporting information

Description of key information

Data waiving (study scientifically not necessary/other information available): In accordance with Column 2 of REACH Annex IX, the study does not need to be conducted since the substance is expected to have a low potential for adsorption (Log Kow<3).

Key value for chemical safety assessment

Koc at 20 °C:
10

Additional information

Data waiving (study scientifically not necessary/other information available): In accordance with Column 2 of REACH Annex IX, the study does not need to be conducted since the substance is expected to have a low potential for adsorption (Log Kow < 3).

Supporting studies: Adsorption to soil of main constituents has been calculated by EPI-Suite, EPA (USA), KOCWIN v2.00:

2-[3-(2{3-[4,5-dihydroxy-1,3-dioxolan-2-yl)(hydroxy)methyl]-4,5-dihydroxy-2-oxoimidazolidin-1-yl}-1,2-dihydroxyethyl)-4,5-dihydroxy-2-oxoimidazolidin-1-yl]-2-hydroxyacetaldehyde: The substance estimated soil adsorption coefficient is (KOCWIN v2.00, MCI method): Koc: 10 L/kg and Log Koc: 1.

2-[4,5-dihydroxy-3-(1-hydroxy-2-oxoethyl)-2-oxoimidazolidin-1-yl]-2-hydroxyacetaldehyde: The substance estimated soil adsorption coefficient is (KOCWIN v2.00, MCI method): Koc: 10 L/kg and Log Koc: 1.

4,5-dihydroxyimidazolidin-2-one: The substance estimated soil adsorption coefficient is (KOCWIN v2.00, MCI method): Koc: 1 L/kg and Log Koc: 0.

(2S)-2-[(4S,5S)-3-[(S)-[(4R,5R)-4,5-dihydroxy-1,3-dioxolan-2-yl](hydroxy)methyl]-4,5-dihydroxy-2-oxoimidazolidin-1-yl]-2-hydroxyacetaldehyde: The substance estimated soil adsorption coefficient is (KOCWIN v2.00, MCI method): Koc: 10 L/kg and Log Koc: 1.

1-{2-[4,5-dihydroxy-3-(1-hydroxy-2-oxoehtyl)-2-oxoimidazolidin-1-yl]-1,2-dihydroxyethyl}-3-(1,2-dihydroxyethyl)urea: The substance estimated soil adsorption coefficient is (KOCWIN v2.00, MCI method): Koc: 10 L/kg and Log Koc: 1.