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PBT assessment

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PBT assessment: overall result

Evercion SR61
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Evercion SR61
PBT status:
the substance is not PBT / vPvB

The result of biodegradation test shows that the test substance fails screening (ready biodegradation) studies. The degradation in this test shows that the substance is inherently biodegradable. Therefore, the substance is considered P not “vP.”


The substance is assessed as not ‘B’ based on the high solubility in water (275g/l) and low partition coefficient (logKow -4.4827). In addition, there is no evidence that this class of substance will readily absorb across membranes.


The substance is not considered ‘T’. The results of acute toxicity (LC50/EC50) to aquatic organisms with acute effects > 100 mg/l. The results of toxicity tests do not find evidence of CMR or otherwise systemic toxic effects.