Registration Dossier
Registration Dossier
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Phenol, paraalkylation products with C10-15 branched olefins (C12 rich) derived from propene oligomerization, carbonates, calcium salts, overbased, sulfurized, including distillates (petroleum), hydrotreated, solvent-refined, solvent-dewaxed, or catalytic dewaxed, light or heavy paraffinic C15-C50
EC number: 701-251-5 | CAS number: -
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
For the purposes of the PBT evaluation, both the registered substance and TPP (EC 310-154-3) are evaluated. TPP has an active registration and CLH dossiers; the bioaccumulation study with TPP is summarized in section 4 of this CSR.
Registered Substance
The registered substance is potentially persistent and meets the ‘P’ criteria. However, it does not meet the criteria for bioaccumulation or toxicity and is, therefore, not a PBT or vPvB substance.
TPP (Tetrapropenyl phenol, EC 310-154-3)
TPP is potentially persistent (25% degradation after 28 days in an OECD 301B) and meets the T criteria as it is classified as a Category 1B reproductive hazard. However, TPP does not meet the bioaccumulation criteria based on a well-conducted OECD 305 guideline study. Therefore, TPP is not a PBT or vPvB substance.
Justification according to the PBT/vPvB criteria
Persistence Assessment
Alkyl phenate sulfides do not demonstrate the potential to readily biodegrade. The nominal degradation observed in CO2 Evolution studies is 4.7 – 13.4% based on experimental data. Because these substances do not meet the criteria in screening tests for ready biodegradation, the substance exhibits the potential to persist in the environment.
Bioaccumulation Assessment
As demonstrated in section 4.3.3, neither the registered alkyl phenate sulfide or the residual constituent, TPP, exhibit the potential to bioaccumulate. The registered substance is assigned a BCF value of 2.2 based on a SPMD study that is supported by a weight of evidence assessment. TPP is assigned a BCF value of 823 based on a well conducted OECD 305 guideline study.
Toxicity Assessment
The registered substance is classified as a Category 1B reproductive hazard based on the presence of TPP (EC 310-154-3). See the reproductive toxicity assessment in this dossier for more information. In summary, alkyl phenate sulfides as such are not reproductive hazards based on an OECD 415 one-generation reproductive toxicity study conducted with a synthesized alkyl phenate sulfide depleted of TPP (to < 0.2%).
Conclusions and Summary:
The information available indicates that alkylphenate sulfides are not PBT or vPvB substances. It does not meet the ‘B’ (or vB) criterion and the substance itself does not meet the T criterion. Regarding the residual constituent, TPP, the PBT or vPvB criteria are also not met. TPP meets the ‘T’ criteria and potentially the ‘P’ criteria but does not meet the ‘B’ criteria.
Conclusions and Summary:
The information available indicates that alkylphenate sulfides and EC 701 -251 -5 are not PBT or vPvB substances. It does not meet the ‘B’ (or vB) criterion and the substance itself does not meet the T criterion. Regarding the residual constituent, TPP, the PBT or vPvB criteria are also not met. TPP meets the ‘T’ criteria and potentially the ‘P’ criteria but does not meet the ‘B’ criteria.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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