• Offers intense green-grassy top note with a crisp aldehydic freshness
• Adds brightness and sharp realism to citrus, herbal, and floral perfumes
• Common in green florals, sporty colognes, fougères, and ozonic accords
• Useful in both naturalistic compositions and abstract aldehydic structures
• Soluble in alcohol, oils, and DPG—ideal for oil perfumes, attars, and sprays

Aldehyde C-6 (Hexanal) is a powerful green, grassy aldehyde that instantly evokes the scent of fresh-cut grass, crushed leaves, and green apples. This short-chain aldehyde is prized for its ability to add sharp freshness, natural realism, and a lively top note to perfumes—especially in green florals, citrus colognes, and fougères.

It is frequently used to create the impression of nature, springtime, and dew-covered foliage, offering strong diffusion in both top and heart notes.

INCI Name: Hexanal (Aldehyde C-6)

CAS Number: 66-25-1

Molecular Formula: C6H12O

Appearance: Clear, colorless liquid

Odor Description: Fresh green grass, aldehydic, leafy, slightly fruity

Purity: 98%+

Boiling Point: ~131°C

Flash Point: ~43°C

Density: ~0.81 g/cm³

Solubility: Soluble in alcohol, DPG, and oils

Recommended Usage Level: 0.01%–1.5% of concentrate

Category: Green-Aldehydic Modifier – Top Note – Perfumery Use

Use 0.05–1% to enhance green top notes or create sharp, dewy freshness in fougère, citrus, or garden-style perfumes.

💡 For a dewy-green lift in your fragrance 🍏🌿, use 0.05–1% Aldehyde C-6 in your oil-based perfumes or alcohol blends.

🌼 Blend with galbanum, violet leaf, or cyclamen aldehyde for naturalistic garden florals.

🍋 Use in citrus colognes with petitgrain or neroli for crisp herbal brightness.

🧼 Pair with aldehydes C-8 to C-12 for a full-spectrum aldehydic freshness.

🔄 Rest your blend 3–5 days—aldehydes soften and integrate beautifully with time.

⚠️ Extremely powerful—always use with precision to avoid harsh top notes.

Q1: What does Aldehyde C-6 smell like?

It smells like fresh-cut grass, green apples, and crushed leaves—sharp, aldehydic, and highly realistic.

Q2: Is it natural or synthetic?

It occurs naturally in many plants and fruits but is used synthetically in perfumery for consistency and purity.

Q3: Can I use it in oil perfumes or attars?

Yes! It is soluble in alcohol, DPG, and carrier oils, making it ideal for roll-ons, attars, incense oils, and solid perfumes.

Q4: What perfume types benefit from it?

Perfect for green florals, citrus colognes, fougères, ozonic blends, and natural outdoor-themed perfumes.

Q5: What does it blend well with?

Best with galbanum, violet leaf, aldehyde C-9, petitgrain, neroli, linalool, and white musks.