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PBT assessment

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PBT assessment: overall result

Type of composition:
legal entity composition of the substance
State / form:
Reference substance:
PBT status:
the substance is not PBT / vPvB

The PBT Assessment for the substance is based on the criteria set out in the “Guidance on information requirements and chemical safety assessment, Chapter R.11: PBT Assessment” (ECHA, 2014).


Persistency assessment
One experimental study is available investigating the biodegradability of the substance. The study was performed according to OECD 301D (GLP). After 28 d the substance was degraded to 69% (O2 consumption) meeting the 14-day window indicating that the substance is readily biodegradable according to the OECD criteria. Thus, the substance is not considered to meet the P/vP criteria based on the available data.


The substance has a log Kow of 1.44 (OECD 117). In accordance with the ECHA Guidance R.11 substances with a log Kow of < 4.5 are not considered to be B/vB. Thus, the substance is not considered to be B/vB based on the screening criteria.


Aquatic studies are available for three trophic levels. All acute effect concentrations were clearly > 0.1 mg/L (lowest EC50 (72 h): 1.6 mg/L). Moreover, the substance is not classified as carcinogenic, mutagenic or toxic to reproduction (CMR) and the substance is not considered to be P/vP and B/vB. Thus, in accordance with ECHA Guidance R.11 no further assessment is necessary.