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PBT assessment

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PBT assessment: overall result

PBT status:
the substance is not PBT / vPvB
Justification:

Parent compound methyl formate:

Methyl formate is not P/vP since it is readily biodegradable. The substance is also not B/vB based on a measured log Kow -0.21, indicating no significant potential for bioaccumulation. The substance is not T since the lowest available chronic value is > 0.01 mg/L and the substance holds no relevant classification.

However, the rapid hydrolysis will be the major fate process of the methyl formate under environmentally relevant conditions (pH 7-9, see IUCLID Ch. 5.1.2). Therefore, thePBT/vPvB assessmentis also performed for the hydrolytic products: formic acid and methanol.

 

Hydrolysis product methanol:

Methanol is not P/vP since it is readily biodegradable. The substance is also not B/vB based on a measured log Kow -0.77, indicating no significant potential for bioaccumulation. The substance is not T since the lowest available chronic value is > 0.01 mg/L and the substance holds no relevant classification.

 

Hydrolysis product formic acid:

Formic acid is not P/vP since it is readily biodegradable. The substance is also not B/vB based on a measured log Kow -2.1, indicating no significant potential for bioaccumulation. The substance is not T since the lowest available chronic value is > 0.01 mg/L and the substance holds no relevant classification.

 

In conclusion, the parent compound along with its hydrolysis products methanol and formic acid, are not to be considered as a PBT/vPvB substance.