Allyl Alpha-Ionone

INCI: ALLYL ALPHA-IONONE

CAS Number
79-78-7
Function
Fragrance ingredient (fruity, ionone-type notes)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Listed as a Substance Added to Food (GRAS for flavoring); permitted in cosmetics

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

โš  Skin Sens. 1B classification requires risk assessment for leave-on products; Aquatic Chronic 2 (H411) - environmental fate consideration; not yet on EU Annex III allergen list but CLP classification may trigger future inclusion under the expanding allergen framework

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Frequently Asked Questions

Is Allyl Alpha-Ionone safe in cosmetics?

โš  Skin Sens. 1B classification requires risk assessment for leave-on products; Aquatic Chronic 2 (H411) - environmental fate consideration; not yet on EU Annex III allergen list but CLP classification may trigger future inclusion under the expanding allergen framework The EU classifies Allyl Alpha-Ionone as "prohibited". Safety rating: MODERATE.

Is Allyl Alpha-Ionone allowed in the EU?

Allyl Alpha-Ionone EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Allyl Alpha-Ionone do in cosmetics?

Allyl Alpha-Ionone functions as: Fragrance ingredient (fruity, ionone-type notes). It is classified as a cosmetic ingredient in our database. CAS number: 79-78-7.

What is the Margin of Safety for Allyl Alpha-Ionone?

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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