Registration Dossier
Registration Dossier
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EC number: 261-716-9 | CAS number: 59354-78-8
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Neononanoic acid when evaluated in an O.E.C.D. 301 B Modified Sturm Test demonstrated no degradation and
therefore is not readily biodegradable. Neononanoic acid would be assessed as P or vP.
A Log Pow value of 3.13, <4.5 for B, was determined by an EU MethodGuideline A.8 "Partition Coefficient (n-octanol/water), HPLC Method" study conducted according to the GLPs in 1992. Neononanoic acid would be assessed as B.
Based on the derived PNECs for the three tropic levels, the PNEC of 100 ug/l is believed to be protective of fresh water organisms and the PNEC of 10 ug/L is considerd to be protective of marine organisms. Neononanoic acid would be assessed as not T.
- Likely routes of exposure:
In this case an emission and risk characterisation in accordance with the stipulations of Annex I (4.2 & 6.5) is not required as neononanoic acid is not considered a PBT/vPvB.
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