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PBT assessment

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PBT assessment: overall result

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Name:
2,2'-Azodi(2-methylbutyronitrile)
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Composition 1
Name:
2,2'-Azodi(2-methylbutyronitrile)
Type of composition:
boundary composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Composition 1
PBT status:
the substance is not PBT / vPvB
Justification:

Based on all available data on biotic and abiotic degradation, bioaccumulation and toxicity it can be stated that the substance does not fulfill the PBT criteria (not PBT) nor does it fulfil the vPvB criteria (not vPvB).

The substance is persistent (P) and very persistent (vP) in the environment as stipulated in the ECHA Guidance on information requirements and chemical safety assessment (Part C: PBT Assessment, ECHA 2008). 

Due to the results from chapter 4.3, Bioaccumulation, the substance is not bioaccumulative (not B) and not very bioaccumulative (not vB).

Due to the results of the aquatic toxicity studies (see chapter 7.1, Aquatic compartment including sediment) and the relevant mammalian toxicity studies (see chapter 5, Human Health Hazard Assessment), the substance is not toxic (not T).

Because the substance does not fulfill the PBT and vPvB criteria, no emission characterisation is needed (see Annex I, Section 4.2).