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2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)benzotriazole

CAS 3846-71-7

Also registered as 11 other CAS numbers

3135-21-5 · 29820-26-6 · 104817-17-6 · 131242-54-1 · 134512-21-3 · 189377-88-6 · 208761-49-3 · 420135-91-7 · 474264-63-6 · 796971-92-1 · 1357193-40-8

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)benzotriazole chemical structure

Concern score

Not assessed — no hazard data yet.

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)benzotriazole in plain language

What it is

Also known as 2-(2'-Hydroxy-3'5-di-tert-butylphenyl) benzotriazole · Tinuvin 320 · 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-butylphenol · 2-(benzotriazol-2-yl)-4,6-ditert-butylphenol · Chisorb 320 · Eversorb 77

Show all 26 names

Kemisorb 75 · Seesorb 705 · Sumisorb 320 · Viosorb 582 · 2-(2'-Hydroxy-3', 5'-di-ert-butylphenyl) benzotriazole · 2-(2'-Hydroxy-3',5'-di-t-butylphenyl) benzotriazole · 2-(2-Benzotriazolyl)-4,6-di-tert-butylphenol · 2-(2-Hydroxy-3,5-di-tert-butylphenyl)-2H-benzotriazole · 2-(2-Hydroxy-3,5-di-tert-butylphenyl)benzotriazole · 2-(2H-1,2,3-benzotriazol-2-yl)-4,6-di-tert-butylphenol · 2-(2H-Benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)phenol · 2-(3',5'-Di-tert-butyl-2'-hydroxyphenyl)benzotriazole · 2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2h-benzotriazole · 2-Benzotriazole-2-YL-4,6-di-tert-butylphenol · 2-benzotriazol-2-yl-4,6-di-tert-butylphenol · Hdbb · HDBB cpd · Hydroxyphenyl Benzotriazole · Phenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)- · UV-320

What it does

We don't have a plain-language description for 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)benzotriazole yet.

Recorded functional uses: UV stabilizer

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)benzotriazole appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including UV stabilizer.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including UV stabilizer.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)benzotriazole yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2021-06-08

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Allergen profile

Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.

  • SoyContains · Oral (ingested)

    Source: chemindex_name_match

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)benzotriazole in a product composition. These are source records, not Greenveil catalog products.

Named organisations

6

Typical roles

UV stabilizer
See products using 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)benzotriazole →