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Limonene

CAS 138-86-3

Also registered as 4 other CAS numbers

555-08-8 · 7705-14-8 · 8022-90-0 · 8050-32-6

Limonene chemical structure

Concern score

Not assessed — no hazard data yet.

Limonene in plain language

What it is

Also known as Limonene, (±)- · Dipenten · Dipentene · Limonene, (+/-)- · 1-Methyl-4-Prop-1-En-2-Ylcyclohexene · Cinene

Show all 32 names

(±)-limonene · 1-Methyl-4-(prop-1-en-2-yl)cyclohex-1-ene · Cajeputene · Eulimen · Kautschin · Limonene, dl- · Nesol · Orange x · (+/-)-1-METHYL-4-(1-METHYLETHENYL)CYCLOHEXENE · (+/-)-1-METHYL-4-(1-METHYLVINYL)CYCLOHEXENE · (+/-)-Dipentene · (+/-)-Limonene · (+/-)-α-Limonene · (±)-1-METHYL-4-(1-METHYLETHENYL)CYCLOHEXENE · 1,8-p-Menthadiene · 1-Methyl-4-(1-methylethenyl)cyclohexene · 1-Methyl-4-(1-methylvinyl)cyclohexene · 4-ISOPROPENYL-1-METHYL-1-CYCLOHEXENE · Cajeputen · Cinen · DL-Limonene · Flavor orange · Limonen · Orange flavor · alpha-Limonene · p-Mentha-1,8-diene

What it does

Used in consumer products as a solvent, a fragrance ingredient and a flavouring.

  • Solvent
  • Fragrance
  • Flavouring
  • Deodorant
  • Antimicrobial
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

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

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • GLOBALJECFAEvaluatedJECFA evaluation record.
  • USEPAcommercial use observedEPA CPDat observed this chemical in 11352 composition records across product categories including Home maintenance, Cleaning and safety, Industrial products. EPA CPDat classifies this chemical for functional uses including Fragrance, Solvent, Deodorizer.
    • EPA CPDat observed this chemical in 11352 composition records across product categories including Home maintenance, Cleaning and safety, Industrial products. EPA CPDat classifies this chemical for functional uses including Fragrance, Solvent, Deodorizer.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.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

  • EFSA

    European Food Safety Authority

    No EFSA opinion on file.

Evidence & sources

No graded research studies for Limonene 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

  • EPA Chemical and Products Database

    exposure · updated october 15, 2019

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • WHO JECFA Database

    regulatory · updated 2026-10-04

    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

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.

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

Source records

11,352

Named organisations

6

Home maintenanceCleaning and safetyIndustrial productsVehicleCleaning products and household carePersonal care

Typical roles

SolventFragranceFlavouringDeodorantAntimicrobial
See products using Limonene →

Catalog

Found in these products

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

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Limonene in the catalog.