Coumarin is a naturally occurring aromatic chemical compound renowned for its warm, sweet and slightly spicy fragrance with nuances of freshly cut hay, vanilla and almond. It is widely used in perfumery to impart a comforting and powdery sweetness to compositions. Coumarin can be found in a variety of fragrance types, especially in fougère, oriental and gourmand families, where it adds depth, warmth and complexity. This versatile compound is also used in flavouring and can be found in certain food and beverage applications (under strict regulatory guidelines).
Chemical Name:
1,2-Benzopyrone
Synonyms:
- 2H-1-Benzopyran-2-one
- Cumarine
- Tonka Bean Camphor
CAS Number:
91-64-5
Molecular Formula:
C9H6O2
Appearance:
White to colourless crystalline powder with a sweet, vanilla-like odour.
Fragrance Profile:
Sweet, warm, powdery, reminiscent of freshly cut grass or hay with vanilla and almond-like undertones. Frequently used to enhance the longevity and warmth of fragrance compositions.
Usage:
- In Perfumery: Coumarin is a staple in fougère and oriental fragrances, where it contributes a powdery, sweet, and earthy quality. It blends well with notes like lavender, oakmoss, sandalwood and tonka bean.
- In Flavours: Coumarin has limited usage as a flavouring agent due to its regulatory restrictions in certain regions. It can be found in very low concentrations in select food and tobacco products.
- In Home Fragrance: Adds warmth and sweetness to candles, diffusers and air fresheners.
Sizes Available:
- 10g, 30g, 50g, 100g, 250g, 500g and 1000g.
Melting Point:
Solubility:
Slightly soluble in water; soluble in alcohol, ether and most organic solvents.
Recommended Usage Levels:
- Fragrances: 0.1-3% depending on application. Check IFRA guidelines for specific concentrations in skin-contact products.
Safety Information:
- Hazard Statements: Harmful if swallowed (H302), may cause an allergic skin reaction (H317).
- Precautionary Measures: Use protective gloves when handling. Avoid inhalation and direct contact with skin and eyes. In case of contact, rinse thoroughly with water. Store in a cool, dry, well-ventilated area away from direct sunlight.
- Environmental Impact: Do not release into the environment. Dispose of containers and contents responsibly, following local regulations.
- IFRA Guidelines: Coumarin is restricted in fragrances for leave-on products such as creams and lotions due to potential skin sensitisation concerns. Always follow IFRA's recommended concentration limits for specific product categories.
Note:
Coumarin is an essential ingredient in perfumery, known for its versatility in creating sweet, warm and comforting fragrance compositions. It pairs beautifully with lavender, citrus and spice notes, making it a must-have for crafting balanced and long-lasting scents. It is also a key component in the fougère family of fragrances, lending that classic sweet-herbal contrast.
