Compound record

2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol (UV-328)

Also known as UV328

25973-55-1 · candidate list substance

SVHC Candidate ListEU monitoring

Dossier

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

Lookup labels

UV328 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenolPhenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol

Dossier Status Obligations Why Alternatives Changes Similar Sources

CAS 25973-55-1

Formula C22H29N3O

Molecular weight 351.5 g/mol

InChIKey ZMWRRFHBXARRRT-UHFFFAOYSA-N

Current EU status

Regulatory snapshot for 2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol (UV-328)

2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol (UV-328) 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 UV328, 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 25973-55-1 · Formula C22H29N3O · Molecular weight 351.5 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: 25973-55-1
EC: 247-384-8
Formula: C22H29N3O
Molecular weight: 351.5 g/mol
Primary class: candidate list substance
Synonym count: 85

Search-friendly summary

2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol (UV-328) (UV328) , CAS 25973-55-1, is tracked here as a monitored substance in the candidate list substance class.

Common names and aliases

2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenolPhenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenolUV-328Tinuvin 328VN99CPK4TI

What to do next

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Status

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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

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Article duties

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Source check

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