Registration Dossier
Registration Dossier
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EC number: 701-463-8 | CAS number: -
PBT assessment
Administrative data
PBT assessment: overall result
- Name:
- Oligomerisation products of alpha-pinene and beta-pinene
- Type of composition:
- boundary composition of the substance
- State / form:
- other: viscous liquid
- Reference substance:
- Oligomerisation products of alpha-pinene and beta-pinene
- Reference substance:
- Oligomerisation products of alpha-pinene and beta-pinene
- Reference substance:
- Oligomerisation products of alpha-pinene and beta-pinene
- Reference substance:
- Oligomerisation products of alpha-pinene and beta-pinene
- PBT status:
- the substance is not PBT / vPvB
- Justification:
All of the consituents in the registered substance have been assessed for their potential PBT properties using QSAR models.
None of the constituents and potential constituents of Terpene Oligomers are PBT or vPvB. The main constituents in the substance, i.e. Terpene dimers, trimers, and tetramers, are potentially Persistent (P/vP). As persistence appears to increase with the addition of further molecular units, pentamers have also been assumed to be potentially P/vP. However, the constituents are likely to be not Bioaccumulative (not B/vB) based on calculated BCF values <2000. The potential for bioaccumulation decreases as the number of molecular units increases and therefore it is expected that as the dimers, trimers and tetramers are all non-bioaccumulative then the pentamers will also not be B/vB.
None of the constituents fulfil the criteria for all three inherent properties P, B and T or both inherent properties vP and vB, respectively, and so they cannot be classified as PBT nor vPvB. The detailed results of the assessment can be found in Section 13 of this dossier.
Summary of the PBT assessment
Group
Substance
CAS No.
Maximum concentration %
Conclusion on P/vP
Conclusion on B/vB
PB Assessment Result
Dimer
α-pinene + α-pinene
N/A
74.126
Potentially P/vP
Not B/vB
Not PBT/vPvB
Dimer
β-pinene + β-pinene
N/A
74.126
Potentially P/vP
Not B/vB
Not PBT/vPvB
Trimer
α-pinene x3
N/A
21.479
Potentially P/vP
Not B/vB
Not PBT/vPvB
Trimer
β-pinene x3
N/A
21.479
Potentially P/vP
Not B/vB
Not PBT/vPvB
Trimer
α-pinene x2 +β-pinene
N/A
21.479
Potentially P/vP
Not B/vB
Not PBT/vPvB
Tetramer
β-pinene x4
N/A
2.697
Potentially P/vP
Not B/vB
Not PBT/vPvB
Tetramer
α-pinene x4
N/A
2.697
Potentially P/vP
Not B/vB
Not PBT/vPvB
Pentamer
-
N/A
0.699
Potentially P/vP
Not B/vB
Not PBT/vPvB
Pinene monomers
α-pinene
80-56-8
0.004
Potentially P/vP
Not B/vB
Not PBT/vPvB
Pinene monomers
β-pinene
127-91-3, 18172-67-3
0.004
Potentially P/vP
Not B/vB
Not PBT/vPvB
Reference
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