Registration Dossier
Registration Dossier
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EC number: 264-848-5 | CAS number: 64365-17-9
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- further information relevant for the PBT assessment is necessary
- Justification:
Rosin ester substances are UVCB substances made up of constituents with different properties, which will behave differently when released to the environment. The PBT assessment of rosin ester substances therefore considers the PBT potential of each of the constituents, rather than the substance as a whole.
Rosin ester substances consist of esters of rosin, and non-esterified resin acids. The rosin esters can be mono-, di-, tri- or tetra-esters depending on the alcohol and the production process. Methanol can form mono-esters, ethylene glycol, diethylene glycol and triethylene glycol can form mono- and di- esters, glycerol can form mono-, di- and tri-esters and pentaerythritol can form mono-, di-, tri- and tetra-esters. In each case, the esterification reaction results in a UVCB containing esters with varying numbers of ester bonds formed by the reaction of the various resin acids with the alcohol. In addition, non-esterified resin acids will also remain as constituents in the UVCB.
Detailed analysis of each individual constituent within the category is not available and so a list of constituents thought to be present has been developed from information in the Substance Identity Profiles for each substance. All identified constituents were assessed individually for their PBT properties.
There is little experimental data on Persistence (P) and Bioaccumulation (B) of the registered substance or its individual constituents. Two members of this category are currently being assessed under the Community Rolling Action Plan (CoRAP) Resin acids and rosin acids, hydrogenated, esters with glycerol (CAS No: 65997-13-9) andResin acids and rosin acids. hydrogenated, esters with pentaerythritol (CAS No: 64365-17-9). Previously, the monoesters of these two substances were identified as potentially being PBT. As such, an OECD 310 on the Monoesters of Hydrogenated Rosin with Glycerol was undertaken with additional analytical support to prove that it is not Persistent and therefore Not PBT/vPvB. A similar study is currently underway to show that the Monoesters of Hydrogenated Rosin with Pentaerythritol is not persistent.
The previous PBT assessments submitted for this Category have been updated. As part of this update, all the blocks of constituents listed in the Substance Identity Profile for substances in this category have been included and at least 1 representative structure has been identified for each block. The previous QSARs have also been re-run to ensure they are up to date and valid.
The consituents assessed and the conclusion is presented in the table below.
Block Constituent Conclusion on P/vP Conclusion on B/vB PB Assessment Result Mono - ester Abietic acid, mono - Diethylene glycol Predicted P/vP Not B/vB Not PBT/vPvB Mono - ester Abietic acid, mono- Triethylene glycol Predicted P/vP Not B/vB Not PBT/vPvB Mono - ester Abietic acid, mono-Glycerol Not P/vP Not B/vB Not PBT/vPvB Mono - ester Abietic acid, mono- Pentaerythritol Predicted Not P/vP Not B/vB Not PBT/vPvB Mono - ester Pimaric acid, mono- Diethylene Glycol Predicted P/vP Not B/vB Not PBT/vPvB Mono - ester Pimaric acid, mono- Triethylene glycol Predicted P/vP Not B/vB Not PBT/vPvB Mono - ester Pimaric acid, mono- Glycerol Not P/vP Not B/vB Not PBT/vPvB Mono - ester Pimaric acid, mono- Pentaerythritol Predicted Not P/vP Not B/vB Not PBT/vPvB Mono - ester Communic acid, mono- Diethylene Glycol Predicted P/vP Not B/vB Not PBT/vPvB Mono - ester Communic acid, mono- Triethylene glycol Predicted P/vP Not B/vB Not PBT/vPvB Mono - ester Communic acid, mono- Glycerol Not P/vP Not B/vB Not PBT/vPvB Mono - ester Communic acid, mono- Pentaerythritol Predicted Not P/vP Not B/vB Not PBT/vPvB Mono - ester Hydrogenated Abietic acid, mono- Diethylene Glycol Predicted P/vP Not B/vB Not PBT/vPvB Mono - ester Hydrogenated Abietic acid, mono- Glycerol Not P/vP Not B/vB Not PBT/vPvB Mono - ester Hydrogenated Pimaric acid, mono- Triethylene glycol Predicted P/vP Not B/vB Not PBT/vPvB Mono - ester Hydrogenated Pimaric acid, mono- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Abietic acid, di- Diethylene Glycol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Abietic acid, di- Triethylene glycol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Abietic acid, di- Glycerol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Abietic acid, di- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Pimaric acid, di- Diethylene Glycol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Pimaric acid, di- Triethylene glycol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Pimaric acid, di- Glycerol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Pimaric acid, di- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Communic acid, di- Diethylene Glycol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Communic acid, di- Triethylene glycol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Communic acid, di- Glycerol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Communic acid, di- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Hydrogenated Abietic acid, di- Triethylene glycol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Hydrogenated Abietic acid, di- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Hydrogenated Pimaric acid, di- Diethylene Glycol Predicted P/vP Not B/vB Not PBT/vPvB Di - ester Hydrogenated Pimaric acid, di- Glycerol Predicted P/vP Not B/vB Not PBT/vPvB Tri-ester Abietic acid, tri- Glycerol Predicted P/vP Not B/vB Not PBT/vPvB Tri-ester Abietic acid, tri- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Tri-ester Pimaric acid, tri- Glycerol Predicted P/vP Not B/vB Not PBT/vPvB Tri-ester Pimaric acid, tri- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Tri-ester Communic acid, tri- Glycerol Predicted P/vP Not B/vB Not PBT/vPvB Tri-ester Communic acid, tri- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Tri-ester Hydrogenated Abietic acid, tri- Glycerol Predicted P/vP Not B/vB Not PBT/vPvB Tri-ester Hydrogenated Pimaric acid, tri- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Tetra-ester Abietic acid, tetra- Pentaerythritol Predicted P/vP Not expected to be B/vB based on large molecular size and weight Not PBT/vPvB Tetra-ester Pimaric acid, tetra- Pentaerythritol Predicted P/vP Not expected to be B/vB based on large molecular size and weight Not PBT/vPvB Tetra-ester Communic acid, tetra- Pentaerythritol Predicted P/vP Not B/vB Not PBT/vPvB Tetra-ester Hydrogenated Abietic acid, tetra- Pentaerythritol Predicted P/vP Not expected to be B/vB based on large molecular size and weight Not PBT/vPvB Non-esterified acids Abietic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Neoabietic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Palustric acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Levopimaric acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Dehydroabietic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Hydroabietic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Pimaric acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids 7,15-pimaradienoic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Delta Pimaric acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Isopimaric acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Sandaracopiramic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Delta Isopimaric acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Communic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Anticopatic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Lambertiaric acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Mercusic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Acetylisocupressic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Acetylimbricataloic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids Imbricataloic acid Predicted P/vP Not B/vB Not PBT/vPvB Non-esterified acids 16:0 fatty acid Predicted Not P/vP Not B/vB Not PBT/vPvB Non-esterified acids 16:1 fatty acid Predicted Not P/vP Not B/vB Not PBT/vPvB Non-esterified acids 18:1 fatty acid (9) Predicted Not P/vP Not B/vB Not PBT/vPvB Non-esterified acids 18:2 fatty acid (9,12) Predicted Not P/vP Not B/vB Not PBT/vPvB Non-esterified acids 18:3 fatty acid (5,9,12) Predicted Not P/vP Not B/vB Not PBT/vPvB Non-esterified acids 20:3 fatty acid (5,11,14 + 7,11,14) Predicted Not P/vP Not B/vB Not PBT/vPvB Neutral fraction Abietadiene Predicted P/vP Not B/vB Not PBT/vPvB Neutral fraction Pimaradiene Predicted P/vP Not B/vB Not PBT/vPvB Neutral fraction Isopimaradiene Predicted P/vP Not B/vB Not PBT/vPvB Neutral fraction Palustradiene Predicted P/vP Not B/vB Not PBT/vPvB Neutral fraction Dehydroabietadiene Predicted P/vP Not B/vB Not PBT/vPvB Neutral fraction Abietal Not P/vP Potentially B not vB Not PBT/vPvB Neutral fraction Pimaral Not P/vP Potentially B not vB Not PBT/vPvB Neutral fraction Isopimaral Not P/vP Potentially B not vB Not PBT/vPvB Neutral fraction Palustral Not P/vP Potentially B not vB Not PBT/vPvB Neutral fraction Dehydroabietal Not P/vP Not B/vB Not PBT/vPvB
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