Chemical Name: 1,2-Benzopyrone
Synonyms: 2H-1- Benzopyran-2- one, 1,2-Benzopyronecis-o-Coumaric acid lactone, Coumarin, Coumarinic anhydride, 2 -Oxo-1,2-benzopyran Tonka bean camphor
CAS No.: 91-64-5
EINECS/ELINCS No.: 202-086-7
Molecular Weight: 146.14
HS Code: 2932.20.10
Flash point: > 93.00 oC
Odour: Sweet hay, tonka new mown hay


White Crystals with sweet, Tonka, New Mown Hay Character. Coumarin was originally isolated from Tonka Beans in 1820. It occurs naturally in essential oils including cinnamon, lavender, tonka, lemongrass, rose, tagetes, and tarragon

It is used in perfumery to support Herbaceous odours, Lavender, Lavendin, 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 Idoform, Phenolic, Quinoline etc. It imparts strength and gives a characteristic note to perfumes

It is prohibited to use as flavouring agent for food. However, it finds application is Tobacco flavours

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