Registration Dossier
Registration Dossier
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EC number: 605-076-4 | CAS number: 156928-09-5
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
An evaluation of the inherent properties of T002675 is performed against the ANNEX XIII criteria. If insufficient data were available, the screening criteria as laid down in ECHA Guidance on information requirements and chemical safety assessment Chapter R.11: PBT Assessment (2014) were applied.
The persistency assessment is based on the screening criteria in Annex XIII of the REACH Regulation. The biodegradation potential of the test substance has been assessed in a OECD 301F study (Seyfried, 2007). The results reveal that the test substance does not degrade and the substance is considered to be not readily biodegradable. It can therefore be concluded that based on the criteria mentioned above the substance is persistent in the environment. The substance is concluded to be P/vP.
The bioaccumulation assessment is based on the screening criteria in Annex XIII of the REACH Regulation. A measured Log Kow of 1.055 at pH 5 has been determined in an OECD 117 study (Paulus, 2007). Since the measured log Kow of the parent compound is below the criterium of log Kow < 4.5 no further assessment on bioaccumulation is needed. The test substance is concluded to be not B/vB.
The toxicity assessment is based on the screening criteria in Annex XIII of the REACH Regulation. The test substance is classified as toxic for STOT RE category 1. The test substance hence, is considered to be Toxic.
In conclusion, taking into account that the substance is P/vP, not B/vB and T, the substance should not be considered as a PBT/vPvB substance.
Reference
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