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Denatonium benzoate

CAS 3734-33-6 · 20/100 · High conf.

Denatonium benzoate chemical structure

Concern score

20/100Minor concern based on regulatory listings.
High confidence

Denatonium benzoate in plain language

What it is

Also known as Denatonium benzoate anhydrous · Denathonium benzoate · Lidocaine benzyl benzoate · Lignocaine benzyl benzoate · Anispray · Aversion

Show all 18 names

BENZYLDIETHYL((2,6-XYLYLCARBAMOYL)METHYL)AMMONIUM benzoate · Benzoate de denatonium · Denatonii benzoas · ECX-95BY · Gori · THS-839 · WIN-16568 · benzoato de denatonio · bitrex · denatonium benzoate (bitrex) · ingred 3: ammonium chloride) · t-butyl alcohol

What it does

Used in cosmetics as a fragrance ingredient and a denaturant.

  • Fragrance
  • Denaturant
  • Thickener
  • Flavouring
  • Deodorant
Is it a concern?
Minor concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 478 composition records across product categories including Cleaning products and household care, Personal care, Food and drug.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Denatonium benzoate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Pharma
  • Food
  • Industrial
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • EUEFSAConclusion on Pesticides Peer ReviewConclusion on the peer review of the pesticide risk assessment of the active substance denatonium benzoate (approved as denathonium benzoate) (EFSA)
    • Conclusion on the peer review of the pesticide risk assessment of the active substance denatonium benzoate (approved as denathonium benzoate) (EFSA)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 478 composition records across product categories including Cleaning products and household care, Personal care, Food and drug. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Deodorizer, Fragrance.
    • EPA CPDat observed this chemical in 478 composition records across product categories including Cleaning products and household care, Personal care, Food and drug. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Deodorizer, 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

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • 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.

  • EFSA

    European Food Safety Authority

    • Conclusion on the peer review of the pesticide risk assessment of the active substance denatonium benzoate (approved as denathonium benzoate) (EFSA)

      2012 · EU EFSA listing · Read the source →

Evidence & sources

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

7 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →

  • EPA Chemical and Products Database

    exposure · updated october 14, 2015

    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 →

Suitability

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

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

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 Denatonium benzoate in a product composition. These are source records, not Greenveil catalog products.

Source records

478

Named organisations

6

Cleaning products and household carePersonal careFood and drugCleaning and safetyLaboratory suppliesConstruction

Typical roles

FragranceDenaturantThickenerFlavouringDeodorant
See products using Denatonium benzoate →

Catalog

Found in these products

Their ingredient lists include Denatonium benzoate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 74 →Find products without it →