Coumarin – Sweet Hay & Tonka Note CAS No.: 91-64-5

🌿 Coumarin – Sweet Hay & Tonka Note

CAS No.: 91-64-5 | Molecular Formula: C₉H₆O₂

💡 Product Highlights:

✔️ Classic sweet, warm note reminiscent of fresh-cut hay and tonka bean
✔️ Iconic material in fougère, oriental, and gourmand accords
✔️ Strong fixative properties with high versatility
✔️ Suitable for fine fragrance, soap, and cosmetic formulations
✔️ Popular among both professional perfumers and DIY enthusiasts

🧴 Product Description:

Coumarin is a hallmark aroma compound in perfumery, known for its sweet, warm, and slightly spicy scent, often described as new-mown hay, vanilla-tonka, and almond-like. Naturally occurring in tonka beans and some grasses, this crystalline solid plays a foundational role in classic perfume structures like fougère and chypre.

Whether you're building a timeless masculine blend or adding a cosy depth to a gourmand scent, Coumarin offers a reliable and richly comforting base.

🔬 Product Information:

• Chemical Name: 2H-1-Benzopyran-2-one

• CAS Number: 91-64-5

• Molecular Formula: C₉H₆O₂

• Odour Profile: Sweet, warm, coumarinic, hay-like, almondy

🧾 Synonyms:

• 2H-Chromen-2-one
• 1,2-Benzopyrone
• Tonka aldehyde (common industry term)

🧫 Appearance & Texture:

• Appearance: White to off-white crystalline powder

• Texture: Fine crystals, slightly greasy to touch

• Solubility: Soluble in alcohol and oils; slightly soluble in water

⚠️ Safety & Handling:

• GHS Classification: Harmful if swallowed

• Precautions: Use gloves and protective eyewear. Do not ingest. Handle with care.

• Storage: Keep tightly closed in a cool, dry, and well-ventilated area

📦 Sizes Available:

10g | 20g | 30g | 50g | 100g

✨ Applications:

• Perfume accords: fougère, oriental, gourmand, amber

• Soap and cosmetic formulations (within regulated limits)

• Aromatherapy blends for a comforting, sweet background

• Candle and incense compositions

🛍️ Coumarin is a must-have perfumery staple—timeless, rich, and comforting.