Registration Dossier
Registration Dossier
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EC number: 915-589-8 | CAS number: -
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is handled as if it were a PBT/vPvB
- Justification:
The criteria given in the “Guidance on information requirements and chemical safety assessment, chapter R.11: PBT Assessment” (ECHA, 2017) are used to decide if the substance fulfils the PBT or vPvB criteria.
Persistence Assessment
Alkylation and transalkylation products of biphenyl with propene represents is an UVCB substance composed of different constituents. Each constituent is present as a mixture of isomers with unknown composition. Based on the complex composition in combination with the physico-chemical properties of the substance biodegradation simulation testing is technically not feasible. This was assessed within a feasibility study conducted according to OECD 309 guideline. In an weight of evidence approach, considering study results and QSAR estimates for the main constituents of the UVCB, it was concluded that Alkylation and transalkylation products of biphenyl with propene is potentially persistent or very persistent.
Bioaccumulation Assessment
Alkylation and transalkylation products of biphenyl with propene represents is an UVCB substance composed of different constituents. Each constituent is present as a mixture of isomers with unknown composition. Based on the complex composition in combination with the physico-chemical properties of the substance bioaccumulation testing is technically not feasible. In an weight of evidence approach, considering study results and QSAR estimates for the main constituents of the UVCB, it was concluded that Alkylation and transalkylation products of biphenyl with propene is bioaccumulative and potentially very bioaccumulative.
Toxicity Assessment
The aquatic toxicity of Alkylation and transalkylation products of biphenyl with propene was tested for three trophic levels (fish, Daphnia, algae), including a long-term reproduction study on Daphnia. No effects were observed up to the limit of solubility in the used test media. However, the substance needs to be classified for specific target organ toxicity, category 2 (STOT RE 2). Hence, the T criterion is fulfilled based on the mammalian toxicity data.
In conclusion, the substance is handled as if it were a PBT/vPvB
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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