Compound record

2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (UV-329)

Also known as JF 83

3147-75-9 · candidate list substance

JF 83 SVHC Candidate ListEU monitoring OCTRIZOLE2-(2-Hydroxy-5-tert-octylphenyl)benzotriazoleTinuvin 329

Dossier Status Obligations Why Alternatives Changes Similar Sources

CAS 3147-75-9

Formula C20H25N3O

Molecular weight 323.4 g/mol

InChIKey IYAZLDLPUNDVAG-UHFFFAOYSA-N

Current EU status

Regulatory snapshot for 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (UV-329)

2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (UV-329) is currently surfaced as candidate list substance in the EU.

The current imported view anchors this substance in CandidateList. The live rationale focuses on vPvB (Article 57e), and this page is designed for fast status checks before deeper source review.

Searchers usually land here for the chemical name, CAS number, abbreviation JF 83, and the question of whether the substance is tied to SVHC, REACH, POPs, or SCIP-style compliance work.

Candidate List substancecurrent statuslatest imported framework state

23 Jan 2024latest anchor datelisted, effective, or checked date

Identity

CAS, formula, aliases, and use context

CAS: 3147-75-9
EC: 221-573-5
Formula: C20H25N3O
Molecular weight: 323.4 g/mol
Primary class: candidate list substance
Synonym count: 114

Search-friendly summary

2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (UV-329) (JF 83) , CAS 3147-75-9, is tracked here as a monitored substance in the candidate list substance class.

Common names and aliases

OCTRIZOLE2-(2-Hydroxy-5-tert-octylphenyl)benzotriazoleTinuvin 329Cyasorb 54112-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenolCyasorb UV 5411

What to do next

Use the right route for status, SCIP, and source questions

Status

Current legal state, Candidate List signals, and source-backed rationale

Go here for the framework answer block, listed dates, reasons, and the imported basis for the current EU status.

Obligations

Who needs to act, what to check, and whether SCIP matters

Use this when the question is operational: SCIP, article communication, threshold review, portfolio screening, or substitute work.

Why monitored

Why this substance is monitored in the EU

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Alternatives

Potential substitutes and nearby molecules

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Changes

What changed over time

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Sources

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Action prompts

Fast compliance and screening routes

Article duties

Check Candidate List threshold and SCIP relevance

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Source check

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Every summary should point back to the underlying authority surface. Use the source route when the exact notice, registry entry, or legal text matters.