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PBT assessment

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PBT assessment: overall result

PBT status:
the substance is not PBT / vPvB

The substance is not readily biodegradable but a rapid disappearance of the substance from the sediment water system was observed (DT50 = 0.8 - 0.9 days) in a simulation biodegradation study performed on a read-across substance (OECD Guideline 309), corresponding to a primary degradation as well as potential chemical hydrolysis. Therefore, the substance is not persistent or very persistent.

According to the bioaccumulation study performed on the same read-across substance (OECD Guideline 305), the BCF values for Cyprinus carpio were comprised between 46 and 60. Therefore, the substance is not bioaccumulable or very bioaccumulable.

Finally, one long-term aquatic toxicity data is available on algae with an ErC10 value greater than 0.01 mg/L (at 1.38 mg/L, read-across substance). In addition, short-term aquatic toxicity data are available on the three aquatic trophic levels (algae, daphnia, fish) with E(L)C50 values greater than 0.1 mg/L (lowest value at 1.2 mg/L). The substance is not classified as carcinogenic (category 1A or 1B), germ cell mutagenic (category 1A or 1B), or toxic for reproduction (category 1A, 1B or 2) according to Regulation EC No 1272/2008 and no other evidence of chronic toxicity was observed, as identified by the classification specific target organ toxicity after repeated exposure (STOT RE Category 1 or 2) according to Regulation EC No 1272/2008. The substance is therefore not toxic.

In conclusion, the registered substance does not fulfill any of the PBT or vPvB criteria.