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  • beauty
  • cleaning
  • industrial

Octrizole

CAS 31016-94-1

Also registered as 15 other CAS numbers

51656-56-5 · 52188-76-8 · 108021-89-2 · 123307-21-1 · 131242-52-9 · 134018-56-7 · 149780-04-1 · 188025-34-5 · 862695-39-4 · 866032-39-5 · 1395785-95-1 · 1502813-89-9 · 1687727-77-0 · 2305191-21-1 · 3147-75-9

Octrizole chemical structure

Concern score

Not assessed — no hazard data yet.

Octrizole in plain language

What it is

Also known as Bisoctrizole related compound a · Octrizol · 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol · 2-(2 Hydroxy-5-tert-oxyphenyl) benzotriazole · 2-(2'-Hydroxy-5'-t-octylphenyl)benzotriazole · 2-(2'-Hydroxy-5'-tert-octylphenyl)-benzotriazole

Show all 24 names

2-(2'-hydroxy-5'-tert-octylphenyl)-1H-benzotriazole · 2-(2-Hydroxy-5-octylphenyl)-benzotriazole · 2-(2-Hydroxy-5-t-octylphenyl)benzotriazole · 2-(2-Hydroxy-5-tert-octylphenyl)-2H-benzotriazole · 2-(2-hydroxy-5-tert-octylphenyl) benzotriazole · 2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol · 2-(2hydroxy-5-tert-octylphenyl) benzotriazole · 2-(5-t-Octyl-2-hydroxyphenyl)benzotriazole · 2-Benzotriazolyl-4-tert-octylphenol · Cyasorb 5411 · Cyasorb UV 5411 · Seesorb 709 · Spectra-Sorb UV 5411 · Sumisorb 340 · Tinuvin 329 · UV Absorber-5 · Viosorb 583 · Octrizolum

What it does

Used in cosmetics as a light stabiliser.

  • Light stabilizer
  • Fragrance
  • Stabiliser
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Octrizole appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Industrial
  • EUCosIngActiveOctrizole is the organic compound that conforms to the formula
    • Octrizole is the organic compound that conforms to the formulaSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 57 composition records across product categories including Furniture and furnishings, Home maintenance, Raw materials. EPA CPDat classifies this chemical for functional uses including UV stabilizer, Stabilizing agent, Fragrance.
    • EPA CPDat observed this chemical in 57 composition records across product categories including Furniture and furnishings, Home maintenance, Raw materials. EPA CPDat classifies this chemical for functional uses including UV stabilizer, Stabilizing agent, Fragrance.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Octrizole. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Octrizole yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated January 7, 2008

    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

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Octrizole in a product composition. These are source records, not Greenveil catalog products.

Source records

57

Named organisations

6

Furniture and furnishingsHome maintenanceRaw materialsCleaning products and household care

Typical roles

Light stabilizerFragranceStabiliser
See products using Octrizole →