Registration Dossier
Registration Dossier
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EC number: 284-851-5 | CAS number: 84988-61-4
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Persistence: Isononyl phosphate can be considered to be inherently bioegradable based on a reliable measured biodegradation study. Consequently, in line with the detailed ECHA guidance, isononyl phosphate does not fulfil the criteria for Persistence (P).
Bioaccumulation:Based on reliable measured study results, it is concluded isononyl phosphate is neither bioaccumulative nor very bioaccumulative. Evidence is provided based on measured log Kow is less than 4.5. It is concluded that there is a low potential for exposure and bioaccumulation in aquatic and terrestrial organisms. Isononyl phosphate does not fulfil the criteria “bioaccumulative (B)” or “very bioaccumulative (vB)”. According to ECHA Guidance on information requirements and chemical safety assessment (May 2008), Chapter R.11, Figure 11-2: Integrated testing strategy for B-assessment, no further testing is required to conclude on the bioaccumulation criterion.
Toxicity: Based on available reliable data for toxicity of the analogue, phosphoric acid, 2-ethylhexyl ester short-term toxicity (LC50 or EC50) and long-term (NOEC) toxicity to aquatic organisms is >0.01 mg/L and does not meet the definitive toxicity criterion according to the ECHA guidance on PBT assessment (Part C). Therefore, it can be concluded that the substance does not fulfill the toxicity (T) criterion as laid down in Annex XIII of regulation (EC) No 1907/2006.
The overall conclusion is that isononyl phosphate does not meet the PBT or vPvB criteria. No further testing is required.
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