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(S)-Limonene

CAS 5989-54-8 · 60/100 · High conf.

Also registered as 1 other CAS number

7721-11-1

(S)-Limonene chemical structure

Concern score

60/100High concern based on regulatory listings.
High confidence

(S)-Limonene in plain language

What it is

Also known as (-)-limonene · Limonene, (-)- · l-Limonene · (4S)-1-Methyl-4-(prop-1-en-2-yl)cyclohex-1-ene · (4S)-1-methyl-4-prop-1-en-2-ylcyclohexene · Limonene, l-

Show all 20 names

(-)-(4S)-Limonene · (4S)-1-methyl-4-isopropenylcyclohex-1-ene · (4S)-4-isopropenyl-1-methylcyclohexene · (S)-(-)-Limonene · (S)-1-Methyl-4-(prop-1-en-2-yl)cyclohex-1-ene · (S)-p-Mentha-1,8-diene · 1-Methyl-4-(1-methylethenyl)cyclohexene, (S)- · Cyclohexene, 1-methyl-4-(1-methylethenyl)-, (4S)- · Cyclohexene, 1-methyl-4-(1-methylethenyl)-, (S)- · Ec 227-815-6 · P-Mentha-1,8-diene, (S)-(-)- · UNII-47MAJ1Y2NE · beta-Limonene · l -Limonene (S)-p-Mentha-1,8-diene

What it does

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

  • Fragrance
  • Flavouring
Is it a concern?
High concern: no hazard classifications on record.

Why it's flagged

EPA CPDat observed this chemical in 6 composition records across product categories including Cleaning products and household care, Personal care, Cleaning and safety.

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. (S)-Limonene appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUEFSAEFSA opinion3 entries
    • Scientific opinion on Flavouring Group Evaluation 25, Revision 3 (FGE.25Rev3): Aliphatic hydrocarbons from chemical group 31 (EFSA CEF)Source →
    • Scientific Opinion on the safety and efficacy of aliphatic and aromatic hydrocarbons (chemical group 31) when used as flavourings for all animal species (EFSA FEEDAP)Source →
    • Scientific Opinion on Flavouring Group Evaluation 25, Revision 2 (FGE.25Rev2): Aliphatic and aromatic hydrocarbons from chemical group 31 (EFSA CEF)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 6 composition records across product categories including Cleaning products and household care, Personal care, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Fragrance.
    • EPA CPDat observed this chemical in 6 composition records across product categories including Cleaning products and household care, Personal care, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, 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.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    No JECFA evaluation on file.

  • EFSA

    European Food Safety Authority

    • Scientific opinion on Flavouring Group Evaluation 25, Revision 3 (FGE.25Rev3): Aliphatic hydrocarbons from chemical group 31 (EFSA CEF)

      2015 · EU EFSA listing · Read the source →

    • Scientific Opinion on the safety and efficacy of aliphatic and aromatic hydrocarbons (chemical group 31) when used as flavourings for all animal species (EFSA FEEDAP)

      2015 · EU EFSA listing · Read the source →

    • Scientific Opinion on Flavouring Group Evaluation 25, Revision 2 (FGE.25Rev2): Aliphatic and aromatic hydrocarbons from chemical group 31 (EFSA CEF)

      2011 · EU EFSA listing · Read the source →

Evidence & sources

No graded research studies for (S)-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

  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →

  • EPA Chemical and Products Database

    exposure · updated February 8, 2019

    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 (S)-Limonene in a product composition. These are source records, not Greenveil catalog products.

Source records

6

Named organisations

5

Cleaning products and household carePersonal careCleaning and safety

Typical roles

FragranceFlavouring
See products using (S)-Limonene →

Catalog

Found in these products

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

See all 1000+ →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside (S)-Limonene in the catalog.