3-Methyl-5-Propyl-2-Cyclohexenone (Celery Ketone)

INCI: 3-METHYL-5-PROPYL-2-CYCLOHEXENONE

CAS Number
3720-16-9
Function
Perfuming / Fragrance (celery, herbal note)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not restricted by FDA; also used as a flavoring agent

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Contains an α,β-unsaturated carbonyl structural alert, but IFRA's no restriction designation indicates that real-world sensitization data overrides the theoretical concern.

⚠️
Concern Level: Low

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive

Frequently Asked Questions

Is 3-Methyl-5-Propyl-2-Cyclohexenone (Celery Ketone) safe in cosmetics?

Contains an α,β-unsaturated carbonyl structural alert, but IFRA's no restriction designation indicates that real-world sensitization data overrides the theoretical concern. The EU classifies 3-Methyl-5-Propyl-2-Cyclohexenone (Celery Ketone) as "permitted". Safety rating: GOOD.

Is 3-Methyl-5-Propyl-2-Cyclohexenone (Celery Ketone) allowed in the EU?

3-Methyl-5-Propyl-2-Cyclohexenone (Celery Ketone) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 3-Methyl-5-Propyl-2-Cyclohexenone (Celery Ketone) do in cosmetics?

3-Methyl-5-Propyl-2-Cyclohexenone (Celery Ketone) functions as: Perfuming / Fragrance (celery, herbal note). It is classified as a cosmetic ingredient in our database. CAS number: 3720-16-9.

What is the Margin of Safety for 3-Methyl-5-Propyl-2-Cyclohexenone (Celery Ketone)?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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