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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Classification & Labelling & PBT assessment

PBT assessment

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Administrative data

PBT assessment: overall result

Vulkanox MB2
Type of composition:
legal entity composition of the substance
State / form:
solid: bulk
Reference substance:
Vulkanox MB2
Reference substance:
Vulkanox MB2
PBT status:
the substance is not PBT / vPvB


With a ready degradation of 0% the substance fulfills the P and vP criterion. In an OECD 309 guideline study (biodegradation in water and sediment simulation test) the substance showed a degradation DT50 in surface freshwater of ≤40 days. Based on the results of the OECD TG 309 the substance does not filfill the P and the vP criterion.


With a log Kow of 0.4 the substance does clearly not fulfill the B and vB criterion.


As the substance is classified for human health hazards (toxic to reproduction cat. 2, STOT RE cat. 2) the T criterion is fulfilled.

Concluding, the substance does not fulfill the criteria of as PBT or vPvB.