Coumarin
CAS Number: 91-64-5
Coumarin (CAS 91-64-5) is a naturally occurring benzopyrone compound found in tonka beans, sweet clover, and cinnamon, known for its characteristic sweet hay-like, woody-spicy aroma. It is extensively used in the fragrance industry as a fixative and modifier in perfumes, soaps, and personal care products.
Technical Specifications
| appearance | White crystalline powder or colorless crystals |
| purity (%) | ≥99.0 |
| assay method | GC |
| melting point | 68–71 °C |
Applications
- Perfumery as a fixative and base note in fougère and oriental fragrances
- Soap, shampoo, and personal care product scenting
- Tobacco flavoring to impart a sweet, mellow character
- Incense and air freshener formulations
- Industrial fragrance for detergents and household products
Key Features
- Excellent fixative properties to extend the longevity of fragrance formulas
- Low use level effective; natural-identical synthetic supply for consistency
- Good solubility in common fragrance carriers such as ethanol and DPG
- Widely available with stable supply chain from Chinese manufacturers