Compound record

2-benzotriazol-2-yl-4,6-di-tert-butylphenol (UV-320)

Also known as HDBB

3846-71-7 · candidate list substance

HDBB SVHC Candidate ListEU monitoring 2-(2'-HYDROXY-3',5'-DI-TERT-BUTYLPHENYL)BENZOTRIAZOLEPhenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-DTXSID4052059

Dossier Status Obligations Why Alternatives Changes Similar Sources

CAS 3846-71-7

Formula C20H25N3O

Molecular weight 323.4 g/mol

InChIKey LHPPDQUVECZQSW-UHFFFAOYSA-N

Current EU status

Regulatory snapshot for 2-benzotriazol-2-yl-4,6-di-tert-butylphenol (UV-320)

2-benzotriazol-2-yl-4,6-di-tert-butylphenol (UV-320) is currently surfaced as candidate list substance in the EU.

The current imported view anchors this substance in CandidateList. The live rationale focuses on PBT (Article 57d) 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 HDBB, 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

17 Dec 2014latest anchor datelisted, effective, or checked date

Identity

CAS, formula, aliases, and use context

CAS: 3846-71-7
EC: 223-346-6
Formula: C20H25N3O
Molecular weight: 323.4 g/mol
Primary class: candidate list substance
Synonym count: 63

Search-friendly summary

2-benzotriazol-2-yl-4,6-di-tert-butylphenol (UV-320) (HDBB) , CAS 3846-71-7, is tracked here as a monitored substance in the candidate list substance class.

Common names and aliases

2-(2'-HYDROXY-3',5'-DI-TERT-BUTYLPHENYL)BENZOTRIAZOLEPhenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-DTXSID40520592-(2'-hydroxy-3',5'-di-tert-butylphenyl) benzotriazoleHDBB cpdRefChem:898215

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

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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

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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.