Coumarin is an aromatic lactone (IUPAC name: 2H-1-benzopyran-2-one) which exists in both free and glycoside forms and can be found in many plants such as those of the Apiaceae or Umbelliferae and Rutaceae families. It occurs naturally in essential oils including cinnamon, lavender, tonka, lemongrass, rose, tagetes, and tarragon. Sweet clover is one of the plants that contain coumarin in its pure form. Coumarin imparts strength and gives a characteristic note to perfumes.

Properties :

CAS No: 91-64-5
Odour Description: Sweet hay, tonka new mown hay
Odour Family: Floral
Molecular weight:146.14 g/mol
Formula: C₉H₆O₂
Appearance: Colorless crystalline solid

Typical Uses & Applications :

Flavor and fragrance

It is used in perfumery to support Herbaceous odours, Lavender, Lavandin, Rose- Mary, Citrus oils, Oakmoss etc. It is also used as a fixative in numerous types of Fragrances. It is a powerful masking agent for odours like Iodoform, Phenolic, Quinoline etc.

Pharmaceutical

It is used in the pharmaceutical industry as a precursor reagent in the synthesis of a number of synthetic anticoagulant pharmaceuticals.