Hexyldihydrofuranone

INCI: HEXYLDIHYDROFURANONE

CAS Number
Not confirmed — multiple possible isomers exist (e.g., hexyldihydro-2(3H)-furanone variants)
Function
Fragrance / masking agent (lactone class)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — structurally related furanones appear in FDA GRAS/fragrance lists

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

CAS ambiguity exists due to multiple possible structural isomers; exact structure confirmation required before safety assessment. IFRA compliance verification recommended if used as fragrance ingredient, with RIFM safety assessment and quantitative risk assessment.

⚠️
Concern Level: Moderate

Regulatory Flags

fragrance-component

Frequently Asked Questions

Is Hexyldihydrofuranone safe in cosmetics?

CAS ambiguity exists due to multiple possible structural isomers; exact structure confirmation required before safety assessment. IFRA compliance verification recommended if used as fragrance ingredient, with RIFM safety assessment and quantitative risk assessment. The EU classifies Hexyldihydrofuranone as "permitted". Safety rating: MODERATE.

Is Hexyldihydrofuranone allowed in the EU?

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

What does Hexyldihydrofuranone do in cosmetics?

Hexyldihydrofuranone functions as: Fragrance / masking agent (lactone class). It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed — multiple possible isomers exist (e.g., hexyldihydro-2(3H)-furanone variants).

What is the Margin of Safety for Hexyldihydrofuranone?

not established 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.

📱

Is Hexyldihydrofuranone in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Hexyldihydrofuranone in your formulation.