Angelica Lactone α – Technical & Sensory Overview

Angelica Lactone α

Executive Summary

Angelica Lactone α is a fruity, sweet, and herbal aroma compound with subtle anise-like nuances. It serves both as a single-note ingredient and as a modifier that smooths sharp accords in fragrance and flavor formulations. With its natural character and balanced volatility, it is suitable for fine fragrances, oral care, and certain food or beverage applications at low dosage levels.

What Is Angelica Lactone α? (Chemistry & Structure)

• Chemical Name: 5-Methylfuran-2(3H)-one

• Synonym: α-Angelica lactone

• Molecular Formula: C₅H₆O₂

• Molecular Weight: 98.10 g/mol

• Chemical Class: Lactone (furanone derivative)

• Natural Status: Nature-identical (synthetic equivalent of a natural compound)

Key Identifiers & Compliance Snapshot

Parameter	Specification / Value
CAS Number	591-12-8
Purity (GC)	≥ 98 % α-isomer (β ≤ 1 %)
Flash Point	74 °C
Vapor Pressure (25 °C)	52.30 Pa
CLogP	0.03
Appearance	Yellow, clear liquid
Typical Use Level	< 1 % in formulations

Sensory Profile & Performance

• Olfactory Signature: Fruity, sweet, herbal, slightly anisic

• Diffusion: Strong and diffusive, perceptible at low concentrations

• Tenacity (on blotter): > 12 hours

• Substantivity: • Skin – Good • Dry Fabric – Good • Wet Fabric – Good • Hair – Good

Stability & pH Dependence

Application Type	Typical pH	Stability
Fine Fragrance	–	Good
Fabric Softener	~3	Moderate
Antiperspirant	~3.5	Moderate
Cosmetics / Personal Care	~6	Moderate
Liquid Detergent	~9	Moderate
Soap	~10	Moderate
Powder Detergent	~11	Moderate
Strong Bleach	~14	Poor

Recommendation: Avoid highly alkaline environments (pH > 10). Store in tightly sealed, light-protected containers. The use of antioxidants is recommended to minimize oxidation and maintain aroma integrity.

Angelica Lactone α

Applications & Typical Uses

Fragrance Applications

• Fruity and herbal fragrance compositions

• Modifier for sharp or citrus top notes

• Enhancer in coffee, gourmand, or sweet blends

Flavor & Oral Care Applications

• Mouthwash and oral care formulations for flavor smoothing

• Coffee and confectionery flavor enhancement

• Suitable for food use within FEMA / GRAS limits

Formulation Strategy & Pairings

Role: Provides smoothness, warmth, and natural fruity sweetness.Pairs Well With: Citrus notes, herbal accords, coffee bases, fruity (peach, berry) and green nuances.

Formulation Tips:

• Use at low dosage levels (< 1 %)

• Maintain neutral to mildly acidic environments

• Add antioxidants for improved stability

• Blend with soft, balsamic, or moist bases to enhance roundness

Regulatory & Safety Overview

• FEMA / GRAS Number: 3293

• IFRA Restrictions: None reported at standard use levels

• Toxicity: Low; mild irritation possible at high concentration

• Allergen Status: Not listed among EU fragrance allergens

Analytical & Quality Control

• Identification: GC analysis verifying α / β isomer ratio

• Assay: ≥ 98 % α-isomer (β ≤ 1 %)

• Monitoring: Evaluate oxidation and pH-related degradation

Purchasing Checklist

☑ Verify P&F or Food grade and ≥ 98 % purity (COA)

☑ Review SDS, IFRA, and allergen documentation

☑ Check stability and storage data

☑ Conduct pilot tests in intended base formulations

This article was researched and written by Galbora.

Use of this content is permitted when citing the source.

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