Compound record

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

Also known as HDBB

3846-71-7 · candidate list substance

SVHC Candidate ListEU monitoring

Dossier

Identity-first dossier for exact-name, CAS, and use-context lookups.

Lookup labels

HDBB 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

Fast lookup

CAS 3846-71-7 · Formula C20H25N3O · Molecular weight 323.4 g/mol · Current status Candidate List substance

If you landed here for formula, molecular weight, or exact substance identity, this block gives the shortest route before you branch into status, obligations, or sources.

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

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Status

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

Obligations

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Why monitored

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Alternatives

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Changes

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Sources

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Action prompts

Fast compliance and screening routes

Article duties

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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.