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Registry of SVHC intentions until outcome

The registry of SVHC intentions until outcome aims to make interested parties aware of the substances for which an SVHC dossier is planned to be submitted to ECHA.

Member States, or ECHA at the request of the European Commission, may propose a substance to be identified as a substance of very high concern (SVHC) by preparing a dossier in accordance with the requirements set out in Annex XV to REACH.

Interested parties can follow the progress of a proposal through the SVHC identification process, from the notification of the intention until the outcome. The advance notice gives interested parties time to prepare for commenting later in the process.

Interested parties with relevant information on the identity or hazard properties of the substance may submit such information during the consultation.

phenol, alkylation products (mainly in para position) with C12-rich branched or linear alkylchains from propene oligomerisation, covering any individual isomers and/ or combinations thereof (PDDP)

Covering any individual isomers and / or combinations thereof. EC / List no: - CAS no: -
Further substance information
After checking the description of the manufacturing process in the registration dossiers, it became obvious that the branched dodecyl moiety is mainly a propylene tetramer (3,4,5,6-tetramethyloctan-2-yl)phenol, which is synthesized by an oligomerisation of propene. This fact is supported by the used IUPAC name given on ECHA brief profile: 4-(3,4,5,6-tetramethyloctan-2-yl)phenol as well as the used SMILES notation. However, the manufacturing process is not limited to the use of propene for oligomerisation, other alkenes could also be used.
The name given above was created following the rules set out in the Guidance for identification and naming of substances under REACH and CLP. This substance however was registered using the substance name phenol, dodecyl-, branched (EC 310-154-3, CAS 121158-58-5). Next to this common name the following alternative names or synonyms are known:

- Dodecylphenol T (Based on Tetrapropylen or Tri-n-buten)
- Dodecylphenol, mixed isomers (CAS No. 27193-86-8)
- Phenol, (tetrapropenyl), derivatives (CAS No. 74499-35-7)
- Phenol, 4-dodecyl, branched (CAS No. 210555-94-5)
- Phenol, tetrapropylene (CAS No. 57427-55-1)
- Phenol, 4-isododecyl; 4-isododecylphenol (CAS No. 27459-10-5)
- Tetrapropenyl phenol
- 2,3,5,6-tetrakis(ethenyl)phenol
- 4-(3,4,5,6-tetramethyloctan-2-yl)phenol
- 4-(3,4,5-trimethylheptyl)phenol
- DODECYLPHENOL, MIXED ISOMERS
- Phenol, alkyl branched (species comprising decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, substituents)
- Phenol, dodecyl-, branched
- Phenol, para alkylation products with C12-rich branched olefins from propene oligomerisation

These names are used as synonyms for the substance “Phenol, alkylation products (mainly in para position) with C12-rich branched or linear alkylchains from oligomerisation, covering any individual isomers and/ or combinations thereof (PDDP)”.
CLP Annex VI index number
Status
Intention
Date of intention
18/08/2020
Expected date of submission
08/02/2021
Submitted for accordance check
Withdrawal date
Submitter
Germany
Remarks
Scope
Toxic for reproduction (Article 57c)
Endocrine disrupting properties (Article 57(f) – environment)
Endocrine disrupting properties (Article 57(f) – human health)
Start of public consultation
End of public consultation
Public consultation document
RCOM (Comments received)
Year of MSC agreement
MSC Agreement
Date of MSC agreement
Support documents
MSC Opinion
Date of MSC opinion
Minority position
Date of inclusion in Candidate List
Latest update
11/09/2020

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Group members
This group of substance has the following member substances:
Name EC / List no. CAS no. Association
Dodecylphenol 248-312-8 27193-86-8 Official source
Phenol, 4-isododecyl- - 27459-10-5 Official source
Phenol, tetrapropylene- - 57427-55-1 Official source
p-dodecylphenol 203-202-9 104-43-8 Official source
phenol, (tetrapropenyl) derivatives 616-100-8 74499-35-7 Official source
Phenol, 4-isododecyl- 608-055-8 27147-75-7 Official source
phenol, 4-dodecyl-, branched 640-104-9 210555-94-5 Official source
Phenol, dodecyl-, branched 310-154-3 121158-58-5 Official source

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