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PBT assessment

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PBT assessment: overall result

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

Boron trifluoride and its breakdown products fulfil the Toxic criterion: concerning the aquatic compartment EC50 or LC50 > 0.1 mg/L and NOEC for mammals > 30 mg/kg food, but Boron trifluoride is classified as R48.

 

However, boron trifluoride and its breakdown products are not expected to bioaccumulate in fish/earthworm tissues due to their high solubility and octanol-water partition coefficients which are quite low. Moreover due to the expected very short half-life in aqueous media (hydrolysis), boron trifluoride is not expected to be persistent in aquatic and terrestrial media. Considering all those elements one can safely conclude that secondary poisoning is not expected as birds and terrestrial top predators will not be exposed to boron trifluoride and its breakdown products via food consumption.

 

Consequently, Boron trifluoride is not B/vB, it's not a PBT nor vPvB substance.