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2-Hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one

CAS 490-03-9

2-Hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one chemical structure

Concern score

Not assessed — no hazard data yet.

2-Hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one in plain language

What it is

Also known as (±)-2-HYDROXYPIPERITONE · Diosphenol · (+/-)-2-HYDROXYPIPERITONE · 2-HYDROXYPIPERITONE · 1-METHYL-4-ISOPROPYL-1-CYCLOHEXEN-2-OL-3-ONE · 1-P-MENTHEN-2-OL-3-ONE

Show all 19 names

2-HYDROXYPIPERITONE, (±)- · 2-Hydroxy-3-methyl-6-(propan-2-yl)cyclohex-2-en-1-one · 2-hydroxy-3-methyl-6-propan-2-ylcyclohex-2-en-1-one · Barosma camphor · Buccocamphor · Buchu camphor · 2-Cyclohexen-1-one, 2-hydroxy-3-methyl-6-(1-methylethyl)- · 2-HYDROXY-3-METHYL-6-(1-METHYLETHYL)-2-CYCLOHEXEN-1-ONE · 2-HYDROXY-6-ISOPROPYL-3-METHYLCYCLOHEX-2-ENONE · 2-HYDROXY-P-MENTH-1-EN-3-ONE · 2-HYDROXYPIPERITONE, (+/-)- · 2-Hydroxy-6-isopropyl-3-methyl-2-cyclohexen-1-one · UNII-4221SIG7EK

What it does

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

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

Regulation

No restrictions found. 2-Hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Fragrance.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. 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 →

Evidence & sources

No graded research studies for 2-Hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • 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 2-Hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one in a product composition. These are source records, not Greenveil catalog products.

Named organisations

3

Typical roles

FragranceFlavouring
See products using 2-Hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one →