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5-Ethyl-3-hydroxy-4-methylfuran-2(5H)-one

CAS 144810-13-9

Also registered as 1 other CAS number

698-10-2

5-Ethyl-3-hydroxy-4-methylfuran-2(5H)-one chemical structure

Concern score

Not assessed — no hazard data yet.

5-Ethyl-3-hydroxy-4-methylfuran-2(5H)-one in plain language

What it is

On cosmetic ingredient lists it appears as “5-ETHYL-3-HYDROXY-4-METHYLFURAN-2-ONE”.

Also known as 5-ETHYL-3-HYDROXY-4-METHYLFURAN-2-ONE · 5-ETHYL 3-HYDROXY 4-METHYL 2(5H)-FURANONE · 5-ETHYL-3-HYDROXY-4-METHYL-2(5H)-FURANONE · .alpha.-hydroxy-.beta.-methyl-.gamma.-hexenolactone · 2(5H)-FURANONE, 5-ETHYL-3-HYDROXY-4-METHYL · 2(5H)-FURANONE, 5-ETHYL-3-HYROXY-4-METHYL-

Show all 27 names

2-ethyl-4-hydroxy-3-methyl-2H-furan-5-one · Abhexone · Homosotolone · Maple furanone · (+/-)-5-ETHYL-3-HYDROXY-4-METHYL-2(5H)-FURANONE · (±)-5-ETHYL-3-HYDROXY-4-METHYL-2(5H)-FURANONE · 2(5H)-Furanone, 5-ethyl-3-hydroxy-4-methyl- · 2,4-Dihydroxy-3-methyl-2-hexenoic acid gamma-lactone · 2-Ethyl-3-methyl-4-hydroxydihydro-(2,5)-furan-5-one · 2-Hexenoic acid, 2,4-dihydroxy-3-methyl-, gamma-lactone · 2-Hydroxy-3-methyl-gamma-2-hexenolactone · 3-Hydroxy-4-methyl-5-ethyl-2(5H)furanone · 3-Hydroxy-4-methyl-5-ethyl-2-furanone · 3-hydroxy-4-methyl-5-ethyl-2(5h)-furanone · 4-Methyl-5-ethyl-3-hydroxyfuranone · 5-ETHYL-3-HYDROXY-4-METHYL-2(5H)-FURANONE, (+/-)- · 5-ETHYL-3-HYDROXY-4-METHYL-2(5H)-FURANONE, (±)- · 5-ethyl-3-hydroxy-4-methyl-2,5-dihydrofuran-2-one · Abhexon · Ethyl Fenugreek Lactone · UNII-J007136N0N

What it does

Used in cosmetics as a fragrance ingredient.

  • Perfuming
  • Fragrance
  • Flavouring
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. 5-Ethyl-3-hydroxy-4-methylfuran-2(5H)-one appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 2 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.
    • EPA CPDat observed this chemical in 2 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.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 5-Ethyl-3-hydroxy-4-methylfuran-2(5H)-one. 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 5-Ethyl-3-hydroxy-4-methylfuran-2(5H)-one 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 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.

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 5-Ethyl-3-hydroxy-4-methylfuran-2(5H)-one in a product composition. These are source records, not Greenveil catalog products.

Source records

2

Named organisations

5

Cleaning products and household care

Typical roles

PerfumingFragranceFlavouring
See products using 5-Ethyl-3-hydroxy-4-methylfuran-2(5H)-one →