Coumarin (/ˈkuːmərɪn/; 2H-chromen-2-one) is a fragrant organic chemical compound in the benzopyrone chemical class, which is a colorless crystalline substance in its standard state. It is a natural substance found in many plants.
The name comes from a French term for the tonka bean, coumarou, one of the sources from which coumarin was first isolated as a natural product in 1820. It has a sweet odor, readily recognised as the scent of new-mown hay, and has been used in perfumes since 1882. Sweet woodruff, Hierochloe odorata (sweet grass) and sweet-clover in particular are named for their sweet smell, which in turn is due to their high coumarin content. When it occurs in high concentrations in forage plants, coumarin is a somewhat bitter-tasting appetite suppressant, and is presumed to be produced by plants as a defense chemical to discourage predation.
Coumarin is used in certain perfumes and fabric conditioners.
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Can be used as a pendant on a necklace, keychain, earring, or whatever you find it useful for.
Note: the material "(Polished) Strong & Flexible Plastic“ is not recommended for keychains! It’s great for earrings though!
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