Isoamyl Isovalerate

INCI: ISOAMYL ISOVALERATE

CAS Number
659-70-1 [^1_2]
Function
Fragrance / flavoring agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — not prohibited under 21 CFR 700; GRAS flavoring

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Not PBT; PEC/PNEC <1; Cramer Class I; inhalation exposure 297.9× below TTC of 1.4 mg/day

⚠️
Concern Level: Low

Regulatory Flags

fragrance-component jecfa_safe

Frequently Asked Questions

Is Isoamyl Isovalerate safe in cosmetics?

Not PBT; PEC/PNEC <1; Cramer Class I; inhalation exposure 297.9× below TTC of 1.4 mg/day The EU classifies Isoamyl Isovalerate as "permitted". Safety rating: GOOD.

Is Isoamyl Isovalerate allowed in the EU?

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

What does Isoamyl Isovalerate do in cosmetics?

Isoamyl Isovalerate functions as: Fragrance / flavoring agent. It is classified as a cosmetic ingredient in our database. CAS number: 659-70-1 [^1_2].

What is the Margin of Safety for Isoamyl Isovalerate?

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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