• 10% dilution in DPG for easy usage in oil-based systems
• Adds sparkling aldehydic brilliance with citrus-waxy freshness
• Commonly used in aldehydic florals, luxury soaps, and fresh powdery perfumes
• Excellent for top-note enhancement and improving diffusion
• Suitable for attars, solid perfumes, roll-ons, and oil mists

Aldehyde C-10 (10% in DPG) — also known as Decanal — is a classic short-chain fatty aldehyde with a powerful, citrusy-waxy, soapy-metallic scent. It’s an essential building block in aldehydic florals, fresh musks, and luxury soap-style compositions, known for its sharp diffusion and uplifting sparkle.

This 10% dilution in DPG (Dipropylene Glycol) is easy to use in oil perfumes, attars, incense oils, roll-ons, and solid fragrance applications. It provides strong top-note lift with a radiant citrus-soapy edge.

INCI Name: Aldehyde C-10 (Decanal)

CAS Number: 112-31-2

Molecular Formula: C10H20O

Appearance: Clear, colorless liquid

Odor Description: Waxy citrus, metallic, aldehydic, soapy, bright

Purity: 10% in DPG

Boiling Point: ~208°C

Flash Point: ~85°C

Density: ~0.83 g/cm³

Solubility: Soluble in alcohol and DPG

Recommended Usage Level: 0.1%–2% of this dilution

Category: Aldehydic Modifier – Top Note – Perfumery Use

Use 0.3–2% to add aldehydic lift to floral, soapy, or citrus top notes. Especially useful in building vintage-style elegance or clean laundry-like accords.

💡 To give your perfume a sparkling aldehydic opening 💫🍋, use 0.3–2% Aldehyde C-10 (10% in DPG) in your oil or alcohol-based blends.

🌼 Pair with jasmine, rose, or muguet to create classic French floral effects.

🧴 Use with musk, violet, or iris for a clean powdery soap base.

🌿 Add to neroli or petitgrain compositions for an elegant citrus accord.

🔄 Let the formula rest 2–5 days to allow aldehydes to mellow naturally.

⚠️ Use in low doses for balance—this aldehyde is sharp and highly diffusive.

Q1: What does Aldehyde C-10 smell like?

It smells citrusy, waxy, metallic, and aldehydic, often described as a classic “soap” top note with strong projection.

Q2: Is it used in vintage-style perfumes?

Yes! It’s a core material in many aldehydic floral perfumes, often adding radiance to iconic compositions.

Q3: Can I use it in oil-based perfumes and attars?

Yes. The 10% dilution in DPG makes it suitable for roll-ons, solid perfumes, and oil mists.

Q4: Is this a natural ingredient?

No, it’s a synthetic aldehyde but is found in trace amounts in citrus peels.

Q5: What does it blend well with?

Best with jasmine, rose, iris, musk, neroli, aldehyde C-11 or C-12, and citrus or green notes.