Registration Dossier
Registration Dossier
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EC number: 692-731-2 | CAS number: 76950-43-1
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
The PBT Assessment for the test substance is based on the criteria set out in the “Guidance on information requirements and chemical safety assessment, Chapter R.11: PBT Assessment” (ECHA, 2012).
Persistence
The test substance reached 2% biodegradation after 28 days in one study conducted according to OECD 301C. Thus, the test substance can be considered as not readily biodegradable, and the fulfillment of the P and vP criterion cannot be excluded.
Bioaccumulation
The test substance has a low log Kow of < 0.3 (OECD 117). Thus, the test substance does not meet the screening criterion for bioaccumulation (log Kow ≥ 4.5) and it is not considered to be bioaccumulative (B) or very bioaccumulative (vB).
Toxicity
Long-term toxicity testing with freshwater algae resulted in a NOEC ≥ 0.01 mg/L. The test substance is not classified as carcinogenic (category 1 or 2), mutagenic (category 1 or 2), or toxic for reproduction (category 1, 2 or 3) according to Directive 67/548/EEC or carcinogenic (category 1A or 1B), germ cell mutagenic (category 1A or 1B), or toxic for reproduction (category 1A, 1B or 2) according to Regulation EC No. 1272/2008.
Thus, according to Section 1.1.3 of Annex XIII of Regulation (EC) No 1907/2006 the substance is not considered to fulfil the toxicity criterion (T).
Conclusion
In conclusion, the test substance is considered not to be PBT or vPvB.
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