Isoamyl Propionate

INCI: ISOAMYL PROPIONATE

CAS Number
105-68-0
Function
Fragrance ingredient; flavoring agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — FEMA GRAS (No. 2069); 21 CFR 172.515 indirect references to isoamyl esters

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Volatile fragrance ingredient with primary exposure via inhalation. Hydrolyzes to isoamyl alcohol and propionic acid, both well-characterized compounds. Flammable—handle per SDS requirements in production.

⚠️
Concern Level: Low

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Frequently Asked Questions

Is Isoamyl Propionate safe in cosmetics?

Volatile fragrance ingredient with primary exposure via inhalation. Hydrolyzes to isoamyl alcohol and propionic acid, both well-characterized compounds. Flammable—handle per SDS requirements in production. The EU classifies Isoamyl Propionate as "permitted". Safety rating: GOOD.

Is Isoamyl Propionate allowed in the EU?

Isoamyl Propionate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Isoamyl Propionate do in cosmetics?

Isoamyl Propionate functions as: Fragrance ingredient; flavoring agent. It is classified as a cosmetic ingredient in our database. CAS number: 105-68-0.

What is the Margin of Safety for Isoamyl Propionate?

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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