• Adds creamy coconut-peach softness and tropical depth
• Ideal for tropical florals, fruity gourmands, and soft white musks
• Enhances milky-floral, solar, and edible compositions
• Perfect for oil perfumes, attars, body mists, and lotion-style fragrances
• Excellent in base notes for warmth, sweetness, and longevity

Aldehyde C-18 (γ-Nonalactone), also known as Coconut Lactone, is a creamy, tropical lactonic aroma chemical with a warm coconut-peach scent and soft milky-fruity sweetness. It’s a staple ingredient for adding smoothness, gourmand appeal, and edible floral depth to perfumes. Commonly used in tropical florals, gourmand bases, coconut blends, and milky woods, it creates a luxurious, comforting, skin-like warmth in both top and base notes.

INCI Name: Gamma-Nonalactone (Aldehyde C-18)

CAS Number: 104-61-0

Molecular Formula: C9H16O2

Appearance: Clear to pale yellow oily liquid

Odor Description: Creamy coconut, peachy, fruity-lactonic, soft

Purity: 98%+

Boiling Point: ~260°C

Flash Point: ~120°C

Density: ~0.97 g/cm³

Solubility: Soluble in alcohol, DPG, and oils

Recommended Usage Level: 0.1%–3% in concentrate

Category: Lactonic-Fruity Modifier – Base/Heart Note – Perfumery Use

Use 0.3–2.5% in fruity florals, coconut accords, or milky woods to give creamy softness and warmth to your blend.

💡 To build a creamy tropical heart 🥥🍑, use 0.3–2.5% Aldehyde C-18 in roll-ons, mists, or oil perfumes.

🌸 Blend with jasmine, ylang, or frangipani for exotic white florals.

🍦 Add to tonka, vanillin, or heliotropin for a milky-gourmand base.

🧴 Use in skin scents or lotion-style perfumes for soft, comforting texture.

🔄 Let the formula rest for 3–7 days to allow full lactonic blooming.

⚠️ Potent and persistent—ideal in trace amounts to maintain elegance.

Q1: What does Aldehyde C-18 smell like?

It smells like coconut milk and ripe peach, with creamy, warm, edible softness—very tropical and comforting.

Q2: Is it a true aldehyde?

No, it’s a lactone, but traditionally called an aldehyde in perfumery due to naming conventions.

Q3: Can it be used in oil-based perfumes or attars?

Yes! Aldehyde C-18 is oil-soluble and blends well in DPG, carrier oils, and alcohol, making it suitable for all perfume formats.

Q4: What types of perfumes benefit from it?

Best for tropical florals, gourmands, solar blends, milky woods, and beachy summer scents.

Q5: What does it blend well with?

Pairs beautifully with ylang, jasmine, frangipani, vanillin, tonka, heliotropin, and white musks.